Answers
Related Questions
Which of these statements best describes a biased sample?
A. it is very small.
B. It is not randomly chosen.
C. It results in incorrect predictions.
D. It does not accurately represent the population.
Answers
Answer:
i think it is B
Step-by-step explanation:
bias means you have an opinion on something and you make choices on it so a biased sample would not randomly chosen
The correct option is:
D.) It does not accurately represent the population.
What is sampling?In statistical analysis, sampling is the procedure by which researchers select a specific number of observations from a larger population. The sample strategy will depend on the sort of study being done, although it may involve systematic sampling or just plain random sampling.
It is a common statistics practice, when we want to study something from a population, we find a sample, which is a group of members of this population. The sample has to be representative of the population, that is, it has to involve all of its groups. If it does not involve all the groups, it is not an accurate representation of the population, and is called biased.
Hence, option C is correct.
To learn more about sampling:
https://brainly.com/question/25122507
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Two customers walk into Petsmart with the same amount of money. One customer adopts a lizard and leaves the store with $56 left over. The Second customer adopts 2 lizards and only has $31 left over.
Answers
Answer:
The lizards are $25 each and each walked in with $81
Step-by-step explanation: find the difference between the amount they each had left which is 25 and that is how much 1 lizard cost and then add that to the $56 so you get $56+25=81 and 81 is the initial amount they walked in with
Answer:
the lizards are $25 each and each person walked in with $81
Step-by-step explanation:
Write the solution to the equation as a decimal. 2x = 3
Answers
Answer:
x = 1.5
Step-by-step explanation:
2x = 3
divide both sides by 2
x = 3/2
3 divided by 2 is 1.5 so
x = 1.5
Answer:
1.5
Step-by-step explanation:
[tex]2x = 3 \\ \frac{2x}{2} = \frac{3}{2 } \\ two \: cancle \: by \: two \: then \\ x = \frac{3}{2 } \\ x = 1.5[/tex]
XD Plzzzzzz do 2 slides (4 problems)
Answers
Answer:
Slide 1:
1. Solution = (-3,2)
y = 2x - 1
y = 3/2x + 6
2. No solution
y = -4/2x + 4
y = -4/2x - 5
Slide 2:
3. Solution = (1, -6) ONE SOLUTION
4. Solution = (-4, -1) ONE SOLUTION
p.s i attached the graphs for problems 3 and 4. The first picture is for problem 3 and the second picture is for problem 4
I really hope this helped :)
trying to finsh fast so help please
Answers
Answer:
A-B
Step-by-step explanation:
help me plzzzzzzzzz :))))
Answers
Marty read 4 times as many pages as Nelson and Jennifer COMBINED. Marty read 1,860 pages.
In total, after dividing Marty's total by 4, Jennifer and Nelson both read a total of 465 pages.
After subtracting Nelson's 240, Jennifer is then found to have read 225 pages.
B would be the best viable option, as it clearly shows that 240+?x4=1,860, which it does.
Hope this helped. Khan Academy is a great resource for any learner. :)
Answer:
4(240 + p) = 1860
225 pages.
Step-by-step explanation
4(240 + p) = 1860
960 + 4p = 1860
4p = 1860 - 960
4p = 900
p = 225.
Jones Elementary School has 540 students. If 70% of the students walk to school, then how many students walk to school?
Answers
Hope this helps
The number of students walk to school is 378.
What is a percentage?A percentage is a number or ratio that can be expressed as a fraction of 100. Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100.
For the given situation,
The total number of students = 540
Percentage of students walk to school = 70% = 0.70
Number of students walk to school = [tex]540(0.70)[/tex]
⇒ [tex]378[/tex]
Hence we can conclude that the number of students walk to school is 378.
Learn more about percentages here
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If C = 18π inches, what is the area?
I need the answer asap
Answers
Answer:
A = 254.34
3.14 = pi
Step-by-step explanation:
C = 18(3.14)
C = 56.52
A = C^2/4(3.14)
A = (56.52)^2 = 3194.5104
A = 3194.5104/4(3.14) = 254.34
Hope this makes sense
pls help me!!!!!!!!!!!!!!!!!
Answers
Answer:
26.75
Step-by-step explanation:
The area of the bottom half of the shape is 11, but the top half is 15.75. Add them together and you get 26.75.
I can explain more if you need
Answer:
31.5 units²
Step-by-step explanation:
find the area of all four shapes then you add it all together
Second Roll First Roll 1 2 3 4 5 6 1 1-1 1-2 1-3 1-4 1-5 1-6 2 2-1 2-2 2-3 2-4 2-5 2-6 3 3-1 3-2 3-3 3-4 3-5 3-6 4 4-1 4-2 4-3 4-4 4-5 4-6 5 5-1 5-2 5-3 5-4 5-5 5-6 6 6-1 6-2 6-3 6-4 6-5 6-6 Select the favorable outcomes for rolling a sum less than five. (5-1) (5-2) (5-3) (5-4) (5-5) (5-6) (1-6) (2-5) (3-4) (4-3) (5-2) (6-1) (1-1) (2-2) (3-3) (4-4) (5-5) (6-6) (1-1) (1-2) (1-3) (2-1) (2-2) (3-1)
Answers
Answer:
"2" (and any subsequent words) was ignored because we limit queries to 32 words.
Answer:
what?
Step-by-step explanation:
confused
x + 7y = 21
Identify the x- and y-intercept and graph the equation on the coordinate plane to the left. What is they-value when x is 7? Answer these questions in the text box below.
Answers
Answer:
x=21−7y?
Step-by-step explanation:
I don't really know what else to do
Answer:
i am sorry but i don't know this answer
Step-by-step explanation:
Mary opened a savings account with a $700 deposit and a simple interest rate of 4.9%. If there are no other deposits or withdrawals, how much money is in the account after 7.5 years?
Answers
Answer: 957.25
Answer:
957.25
Step-by-step explanation:
Can someone please help me I need to know
Simplify, write each expression using only positive exponents.
1. 8x^-3
2. 5^-3 ∙ m ^6
3. 7p^5 / p^-1
*The slash on the third question means its a fraction, and this ^ means to the power of.
Answers
Answer:
Here are the basic steps to follow to simplify an algebraic expression:
remove parentheses by multiplying factors.
use exponent rules to remove parentheses in terms with exponents.
combine like terms by adding coefficients.
combine the constants.
Step-by-step explanation:
The two plots below show the heights of some sixth graders and some seventh graders:
Two dot plots are shown one below the other. The title for the top dot plot is Sixth Graders and the title for the bottom plot is Seventh Graders. Below the line for each dot plot is written Height followed by inches in parentheses. There are markings from 52 to 57 on the top line and the bottom line at intervals of one. For the top line there are 2 dots above the first mark, 1 dot above the second mark, 1 dot above the third mark and 2 dots above the fourth mark. For the bottom line, there is 1 dot above the third mark, 1 dot above the fourth mark, 3 dots above the fifth mark and 1 dot above the sixth mark.
The mean absolute deviation (MAD) for the first set of data is 1.2 and the MAD for the second set of data is 0.8. Approximately how many times the variability in the heights of the seventh graders is the variability in the heights of the sixth graders? (Round all values to the tenths place.)
1.5
2.2
3.0
4.6
Answers
Answer:
The number of times the variability in the heights of the seventh graders is the variability in the heights of the sixth graders is:
3.0
In order to find the variability between the two sets we divide the mean absolute deviation of the first set of data by the mean absolute deviation of the second set of the data.
The MAD of first set of data is: 1.2
and MAD of second set of data is: 0.4
Hence, let n be the number of times the variability in the heights of the seventh graders is the variability in the heights of the sixth graders.
Step-by-step explanation: i Just said it 3.0 Hope this help ..lolz <3
Jackson's mom limits the amount of time he is allowed to play video games. After Jackson plays for 14 minutes, his mom tell him he has used up 35% of his time. What is the total number of minutes Jackson is allowed to play video games per day? How many more minutes can he spend playing his games?
Answers
GUYS HELP!!!
I dont have a protractor so I can't do it! PLZ HELP!
5. Using a protractor, find the measure of the following angles to the nearest degree.
m∠ACE = __________ m∠FCD = ________
Answers
Answer:
hey we need a picture of the angles otherwise we cant help u sorry
The questions and answers are in the picture. Will give brainliest!
Answers
Answer:
Image D is correct.
Answer:
D
Step-by-step explanation:
Put the numbers in order:
16, 16, 16, 17, 18, 19, 19, 20, 23
18 should be the middle of the box and whisker plot. The whisker on the left should be at 16(smallest) and the whisker on the right should be at 23(largest). Answer D is the only one that fits this data.
What is the range of possible sides for side x? The other two sides are 3.2 and 5.5
I’ve included an image of the triangle:
Answers
Answer:
2.3 < x < 8.7
Step-by-step explanation:
Given 2 sides of a triangle then the 3rd side x is in the range
difference of 2 sides < x < sum of 2 sides , that is
5.5 - 3.2 < x < 5.5 + 3.2
2.3 < x < 8.7
what is the value of x in this equation?
(2.4x10^3)x(3x10^x)=7.2x10^9
Answers
Answer:
x=6
Step-by-step explanation:
1. (2.4x10^3)x(3x10^x)=7.2x10^9. Divide both sides of the equation by
2.4 x 10^3)x3
which is 10^x = 10^6
2. 10^x = 10^6. since the bases are the same, set the exponents equal
x = 6
so the answer is x = 6
i hope it helpful
2 plus 3 plus 8 plus 2
Answers
Answer:
15
Step-by-step explanation:
2+3+8+2
2+3= 8+2=
5 + 10=
15
Answer: 15
Step-by-step explanation:
Added all 4 #s.
Find the volume...!!
Answers
Answer:
52.8
Step-by-step explanation:
cube volume formula: BH
: 33 x 4.4 = 52.8
33x4.40
Find the value of 6 1/5% of 425ml
Answers
Answer:
26.35 mlStep-by-step explanation:
[tex]6 \frac{1}{5 } \: = \: \frac{31}{5} [/tex]
Hence,
31/5 % of 425ml
[tex] = 425ml \times \frac{ \frac{31}{5} }{100} [/tex]
[tex] = 425ml \: \times \frac{31}{5} \times \frac{1}{100} [/tex]
[tex] = 85ml \: \times 31 \times \frac{1}{100} [/tex]
[tex] = \frac{2635}{100} ml[/tex]
= 26.35 ml (Ans)
please i need help asap due tomorrow morning please and ty
Answers
4. The answer is C) Two
The growth of a group of bacteria is modeled by the function f(x) =10x. Identify the key features of the model.
The domain is ___________.
The range is ____________.
The asymptote is _________.
The y-intercept is _________.
Answers
what is the relative frequency of students that are on the honor roll worh a job to the total number of students on honor roll
(Don’t put “click this file for the answer” and DONT put i don’t know or something like that or I will report)
Answers
Select all the correct locations on the table.
Consider the following expression
78 . 498
Select "equivalent" or "not equivalent" to indicate whether the expression above is equivalent or not equivalent to the values or expressions in
the last column.
Equivalent
Not Equivalent
343
Equivalent
Not Equivalent
49
75.495
75.493
78. 497
7.495
Equivalent
Not Equivalent 75.7
Not Equivalent 49.75
Equivalent
1 Edmentum. All rights reserved.
Answers
THE ONE ABOVE IS NOT CORRECT !^
Answer:
equivalent
not equivalent
equivalent
not equivalent
Step-by-step explanation: just took the test.
If anybody can help me with this 10 questions
1.The product of a number and negative seven is at most negative eighty-four? What is the smallest value of the number?
A(-12)
B(-13)
C(13)
D(12)
2.Flag question: Question 2
A number increased by twenty-two is less than fourteen. What value must the number be less than?
A(7)
B(-8)
C(8)
D(-7)
3.Flag question: Question 3
The local school will only have a drama class if at least 18 students sign up. So far 8 students have signed up for the class. At least how many more students need to sign up?
Group of answer choices
A(12)
B(9)
C(10)
D(11)
4.Flag question: Question 4
The sum of twice a number and four is at most sixteen. What is the largest value of the number?
A(10)
B(4)
C(6)
D(3)
5.Flag question: Question 5
If you keep at least $525 in your bank account, you will not have to pay service charges. Your account balance is $814 and you spend $10 each day for lunch. In how many days will you need to make a deposit to avoid paying service charges?
A(28)
B(30)
C(29)
D(27)
6.Flag question: Question 6
Your uncle saved $2,500 to take a vacation. His plane ticket is $728. What is the maximum amount of money that he can spend on everything else?
A($3,228)
B($2,500)
C($1,772)
D($343)
7.Flag question: Question 7
Maria is flying to California. When she gets there she plans to rent a car. The cost for the car rental is $42 per day. If Maria has budgeted $200 for the car rental, what is the maximum number of days she can keep the car?
A(2)
B(4)
C(5)
D(3)
8.Flag question: Question 8
Bill wants to drive to Atlanta, Georgia. Atlanta is 1,450 miles from Bill's home. If Bill has 3 days available that he can drive to Atlanta, what is the minimum number of miles that he can drive each day?
A(483)
B(484)
C(485)
9.Flag question: Question 9
Jane and her sister spent at least $475 on a shopping spree. If Jane spent $260, what is the smallest amount that her sister spent?
A($215)
B($214)
C($217)
D($216)
Flag question: Question 10
Twelve is no more than seven less than a number. What is the minimum value of the number?
A(18)
B(20)
C(19)
D(5)
Answers
Answer:
1.) Option D (12)
2.) Option B (-8)
3.) Option C (10)
4.) Option C (6)
5.) I am a bit confused cuz the answer says 28.9 which rounds to 29 but 28.9 is not a real life situation number so i would go with option A (28)
6.) Option C (1,772)
7.) Option B (4)
8.) I'm not sure, sorry
9.) Option A (215)
10.) Option C (19)
Hope this helps!
What is the solution for w5>−4 ?
Answers
Answer:
w > -20
Step-by-step explanation:
w/5 > -4
w > -4 x 5
w > -20
god help what is a i am so smooth brained
Answers
Answer:
a = 54
Step-by-step explanation:
2a = (a + 10) + 44
2a = a + 54
a = 54
Answer:
8
Step-by-step explanation:
PLS HELP, I’LL GIVE BRAINLIEST! :))
Answers
Answer:
D
Step-by-step explanation: