A market research firm conducts telephone surveys with a historical response rate. What is the probability that in a new sample of telephone numbers, at least individuals will cooperate and respond to the questions

Answers

Answer 1

Answer:

The answer is "0.96562".

Step-by-step explanation:

please find the complete question which is defined in the attached file.

Given value:

[tex]\to p = 0.42 \\\\\to q = 1 - p[/tex]

      [tex]= 0.58[/tex]  

[tex]\to n = 400\\\\\to x = 150 \\\\\to P = \frac{X}{n}\\[/tex]

        [tex]= \frac{150}{400}\\\\ = 0.377[/tex]

When:

   [tex]\to P(P>0.375)\\\\[/tex]

[tex]=P(\frac{P-p}{\sqrt{ \frac{pq}{n}}}>\frac{0.375-0.42}{\sqrt{\frac{0.42 \times 0.58}{400}}})[/tex]

[tex]=P(Z>-1.82) \\\\=1-P(Z>1.82)\\\\=1-0.034380\\\\ =0.96562[/tex]

A Market Research Firm Conducts Telephone Surveys With A Historical Response Rate. What Is The Probability

Related Questions

Which correctly describes the points of discontinuity of the function? Select all that apply.
A. There is an infinite discontinuity at x equals negative 2.
B. There is a jump discontinuity at x equals negative 2.
C. There is a removable discontinuity at x equals negative 1.
D. There is an infinite discontinuity at x = 1.
E. There is a jump discontinuity at x = 1

Answers

Answer:

A, C, and E

Step-by-step explanation:

The graph of h(x) = x2 – 3 is a translation of the
graph of f(x)
by
units.

Answers

Answer: down, by 3 units

Step-by-step explanation: -3 is negative so you go down on the graph 3 times

Answer:

down by 3 units

Step-by-step explanation:

i just did this assignment on edg

Convert 10 pints to quarts.
Use the conversion rate 1 quart = 2 pints
Help

Answers

Answer: Your answer should be 5 quarts.

Step-by-step explanation:

After conversion 10 pints will be equal to 5 quarts .

Given,

Convert 10 pints to quarts.

Few unit conversions :

Conversion Factors:

1 mile = 5280 feet

1 foot = 12 inches

1 inch = 2.54 cm

1 cm = 10 mm

1 second = 1 s

Now,

Here 10 pints to quarts .

1 quart = 2 pints

Hence ,

10 quarts = 5 pints .

Know more about unit conversion,

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14. Solve and check the solution .2x + 1/3 =
4/3*
O X = 1/3
O X = 1/2​

Answers

[tex]2x + \frac{1}{3} = \frac{4}{3} [/tex]

[tex]2x = \frac{4}{3} - \frac{1}{3} [/tex]

[tex]2x = \frac{3}{3} [/tex]

[tex]2x = 1[/tex]

[tex]\color{hotpink}x = \frac{1}{2} [/tex]

Therefore , the correct option is :-

[tex]\color{yellow}\mapsto\color{teal}x =\color{magenta} \frac{1}{2} [/tex]

In Earnest's yard, the grass grew 2 inches. The next week, Earnest cut 2 inches off of the grass. The total change was 0 inches. Which of the following situations
also has a total change of 0?
I put 5 pounds of birdseed in the feeder. Then, birds ate 5 pounds of birdseed.
It rained 2 inches on Tuesday. Then, it rained 2 inches on Wednesday.
It Snowed 4 inches last week. Then, 8 inches of snow melted during this week.
A farmer sold 3 bushels of apples last week. Then, she sold 6 bushels of apples this week.

Answers

Answer:

The answer is the first one, I put 5 pounds of birdseed and he ate 5 pounds, leaving you with none, or zero.

Step-by-step explanation:

Which rotation will carry a regular pentagon onto itself?

A.
216o

B.
120o

C.
50o

D.
60O

Answers

Answer:

b

Step-by-step explanation:

Help Please I Really Need Help

Answers

Answer:

X=5

Step-by-step explanation:

3x+4=19

3x+4-4=19-4

3x=15

15/3x=

X=5

Hope this helps!

What is the value of 4x – 3y if x = 3 and y = 6?

Answers

Answer:

-6

Step-by-step explanation:

If x=3 and y=6, 4x-3y=-6 because 4x with x=3 makes the first number 12. 3y with y=6 makes the result 18, so now the equation is 12-18. 12-18=-6, so 4x-3y with x=3 and y=6 will equal -6.

Hopefully the answer and explanation helps!

Answer:

-6

Step-by-step explanation:

All you have to do is plug in the numbers. So it should look like 4(3) - 3(6). Now all you have to do is solve. 4 x 3 = 12. 3 x 6 = 18. Now subtract. 12 - 18 = -6

if cos(x) = -1/4 and tan(x) < 0, what is sin(2x)​

Answers

Answer:

B is correct: (-sqrt15)/8

Step-by-step explanation:

The value of the x is 104.5° then the value of the sin 2x is -0.49. Then the correct option is B.

What is trigonometry?

Trigonometry deals with the relationship between the sides and angles of a right-angle triangle.

If cos(x) = -1/4 and tan(x) < 0

Then the value of the x will be

[tex]\begin{aligned} \cos x &= - \dfrac{1}{4}\\\\x &= \cos^{-1} \dfrac{-1}{4}\\\\x &= 104.5^o \end{aligned}[/tex]

Then the value of the sin 2x will be

[tex]\sin 2x = \sin 2*104.5^o\\\\\sin 2x = \sin 209^o\\\\\sin 2x = -0.4848 \approx 0.49[/tex]

More about the trigonometry link is given below.

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Seth sells candles for $14.35 each. Last
week, he sold 21 candles over 4 days. Seth
pays $2.40 for materials for every 3 candles.
How much did Seth earn last week?

Answers

Answer:284.55

Step-by-step explanation:divide 21 by 3=7  7times 2.40=16.8           14.35 times 21=301.55

Solve using the standard algorithm the area model the distributive property or the partial products method 2,809x4

Answers

Answer:

11,236

Step-by-step explanation:

i think this might be the answer but if it not alseat I try helping

find each sum.
1)-9+(-2)
2)3.2+1.4
3)5.1+(0.7)
4)-2.2+(-3.8)

Answers

Answer:

1. -11

2. 4.6

3. 5.8

4. -6

Step-by-step explanation:

The answer:

1) - 11

2) 4.6

3) 5.8

4) 6.0

I hope this helps!!

Use slope formula, m= y2, - y1 over X2-X1 to find the slope of a line that passes through the points (-3, 8) and (4.-6).

m=

use the slope-intercept form, y=mx+b to find the y-intercept (b) of the line

b=

what is the new equation written in slope-intercept form y=mx+b​

Answers

Answer:

m= -2

b= 2

y= -2x + 2

Step-by-step explanation:

Just did it

The slope of a line is m = -2 that passes through the points (-3, 8) and (4.-6), the y-intercept (b) of the line is 2, and the equation is y = -2x + 2.

What is the slope of the line?

The slope of a line is defined as the gradient of the line. It is denoted by m

Slope m = (y₂ - y₁)/(x₂ -x₁ )

Given that the line that passes through the points (-3, 8) and (4.-6).

Let

x₁ = -3, y₁ = 8

x₂ = 4, y₂ = -6

∵ Slope m = (y₂ - y₁)/(x₂ -x₁  )

Substitute values in the formula

m = (-6 - 8)/(4 -(-3))

m = (-14)/7

m = -2

y - 8 = m(x - (-3))

y - 8 = -2(x + 3)

y = -2x -6 + 8

y = -2x + 2

Since the slope-intercept form, y = mx+b

So the y-intercept (b) of the line,

b = 2

Thus, the slope of a line is m = -2 that passes through the points (-3, 8) and (4.-6), the y-intercept (b) of the line is 2, and the equation is y = -2x + 2.

Learn more about the Slope of the Line here:

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There are eight wires which need to be attached to a circuit board. A robotic device will attach the wires. The wires can be attached in any order, and the production manager wishes to determine which order would be fastest for the robot to use. Use the multiplication rule of counting to determine the number of possible sequences of assembly that must be tested.

Answers

Answer: 40320 sequence to test.

Step-by-step explanation:

we have given the following data:

No of wires which need to be attached to a circuit board = 8

What We need to find is the number of possible sequences of assembly that must be tested.

Using our multiplication rule of counting we arrive at,

Number of possible sequences of assembly is given by

8! = 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

= 40320

i.e. there are 8 choices for the first wire, 7 choices for the second wire, 6 choices for the third wire, 5 choice for the fourth wire same till the 8th wire.

Hence, there are 40320 possible sequences of assembly.

im kinda dumb here ... need help again

Answers

Answer:

with what lol

Step-by-step explanation:

Answer:need me points

Step-by-step explanation:

what is the slope of the line

Answers

Answer:

M=[tex]-\frac{3}{4}[/tex]

Step-by-step explanation:

M=[tex]\frac{rise}{run}[/tex]

From left to right, the line goes down. Therefore, it is a negative slope.

[tex]-\frac{3}{4}[/tex]

tina eats 8 crackers for a snack each day at school. on Friday she drops 3 and only eats 5. how many did tina eat during the week?​

Answers

Answer:

52

Step-by-step explanation:

8x5-3+5=?


Write a number that has a 3 that is 10
times the value of the 3 in 7.31
Your answer

Answers

Answer:

3

Step-by-step explanation:

7.31

3 in the tenths place

3 = 3/10 or 0.3

0.3*10=3

answer : 3
explain: 7.31
3 is in 10 place so
3= 3/10 or 0.3 ;)

Find the value of x.

Answers

Answer: x=10

Step-by-step explanation:

5x+3=53 subtract 3 from 3 and 53

5x=50 divide both sides by 5

50/5=10

now lets check to be sure

5*10=50+3=53

the solution is correct

hoped this help =)

Anna is a wildlife photographer. She wants to photograph woodpeckers, snowy owls, and hawks. In which biome can Anna find these birds? O A desert O B. tundra OC temperate deciduous forest O D. rainforest​

Answers

Answer:

I think B but you should post this in geography not mathematics for a better answer.

Step-by-step explanation:

Answer:

B. Tundra

Step-by-step explanation:

Anna can find these birds in the tundra biome. Snowy owls habitats are in the tundra and do migrate to the northernmost regions of Canada, Europe, Asia and Alaska. Woodpeckers and hawks can also live in the tundra.

answer the following...

Answers

It’s asking for which of the following will not prove that “l” is parallel to “n”... With this information we can choose an equation that has nothing to do with one of the line... giving us...
A) Angle one plus Angle four is equal to 180

Hope this helped!

Which of the ratio below is equivalent to 4:1? Select all that apply. A) 12:3 B) 24:6 C) 8:4 D)16:4 E) 10:6

Answers

Answer:

that would be a

Step-by-step explanation:

just took the test

Answer:

A, B,  D

Step-by-step explanation:

In an experiment, college students were given four quarters

Answers

Answer:

What is the question?

Step-by-step explanation:

I don't see a question.

What’s another name for plane P?

Answers

Answer:

DAB is correct if you have the option for it. if not can you post the possible answers?

4 * 80 * 0 * 0 * 0 * 0 * 0

Answers

Answer:

40800000000000

Step-by-step explanation:

Answer:

0

Step-by-step explanation:

any # times 0 is 0

What is 18 x 2 x (3 + 4) x 3 + 6

Answers

Answer:

762

Step-by-step explanation:

[tex]18 \times 2 \times (3 + 4) \times 3 + 6[/tex]

Follow PEMDAS order of operation

[tex]3 + 4 = 7 \\ 18 \times 2 \times 7 \times 3 + 6 \\ 18 \times 2 \times 7 \times 3 = 756 \\ 756 + 6 = 762[/tex]

Answer:

762

Step-by-step explanation:

We need to use BODMAS method

B - Brackets

O - Power

D - Division

M - Multiplication

A - Addition

S - Subtraction

__________________

Workout

First Brackets

- (3 + 4) = 7

Then multiplication

18 x 2 = 36

36 x (3 + 4) = 36 x 7 = 252

252 x 3 = 756

Lastly Adding

756 + 6 = 762

Answer = 762

___________________

Hope you understand

:-)

Marissa has $4.70 in quarters and dimes. If she has 9 more quarters than dimes, how many of each coin does she have?
dimes
quarters

Answers

Answer:

22 dimes

10 quarters

Step-by-step explanation:

$4.70 = 0.25(q + 9) + 0.1d

4.7 = 0.25q + 0.25(9) + 0.1d

4.7 = 0.25q + 2.25 + 0.1d

2.45 = 0.25q + 0.1d

24.5 = 2.5 + d

22 = d = 22 dimes

$4.70 = 0.25(q + 9) + 0.1(22)

4.70 = 0.25q + 0.25(9) + 2.2

4.70 = 0.25q + 2.25 + 2.2

4.70 = 0.25q + 2.25 + 2.2

4.70 = 0.25q + 4.45

0.25 = 0.25q

1 = q

1 q + 9 q = 10 quarters

Check:

$4.70 = 0.25(q + 9) + 0.1(d)

$4.70 = 0.25(1 + 9) + 0.1(22)

$4.70 = 0.25(10) + 0.1(22)

$4.70 = 2.5 + 2.2

$4.70 = 4.7

Which of these statements is not one of Euclid axioms

Answers

Answer:

Things which are equal to the same thing are also equal to one another. If equals be added to equals, the wholes are equal. If equals be subtracted from equals, the remainders are equal. Things which coincide with one another are equal to one another.

What is the slope of the line y=-4

Answers

Answer:

slope is 0

Step-by-step explanation:

the equation describes a horizontal line with a y-intercept of -4. as the line is horizontal, the slope is 0

Evaluate $\frac{33}{33\frac 13}$. Express your answer as a fraction in simplest form. (Thus the numerator and denominator should be integers whose greatest common divisor is $1$.)

Answers

Answer:

[tex]\dfrac{99}{100}[/tex]

Step-by-step explanation:

We need to evaluate [tex]\dfrac{33}{33\frac 13}[/tex]. Here, 33 is numerator and [tex]33\dfrac{1}{3}[/tex].

Firstly, we will solve the denominator.

[tex]33\dfrac{1}{3}=\dfrac{33\times 3+1}{3}\\\\=\dfrac{100}{3}[/tex]

The given expression becomes,

[tex]\dfrac{33}{33\frac 13}=\dfrac{33}{\dfrac{100}{3}}\\\\=\dfrac{33\times 3}{100}\\\\=\dfrac{99}{100}[/tex]

Hence, the required answer is 99/100.

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