SAT College

Suppose that 75% of the students enrolled in programs at the School of Business at USC are undergraduate students and the rest are graduate students (assume that total enrolment is in the thousands). If a random sample of 10 students is selected from the school to be interviewed about their level of satisfaction with the quality of the school's programs, what is the probability that at least 9 of the students selected are undergraduate students?

Answers

Answer 1

The probability that at least 9 of the students selected are undergraduate students is 0.244.

How to solve for the probability

This is a binomial distribution

We have

n = 10

probability = 0.75

1-p = 1- 0.75 = 0.25

The probability of at least 9 =

p 0f 9 + p of 10

= 10C9 (0.75)⁹ (0.25) + (0.75)¹⁰

= 10 x 0.0751 x 0.25 + 0.0563

= 0.244

Hence the probability that at least 9 of the selected are undergraduates is 0.244.

Related Questions

What is the median on this question?

Answers

Answer:

175

Explanation:

Which two statements about redox reactions are true

Answers

The two true statements about redox reactions are:

C. One type of atom is oxidized and another is reduced.

D. Electrons are transferred from one atom to another.

What is a redox reaction?

A redox reaction is also known as an oxidation-reduction reaction and it can be defined as a type of chemical reaction in which the oxidation number of an atom of participating chemical species are changed.

This ultimately implies that, the two true statements about redox reactions include the following:

One type of atom is oxidized while the other is reduced.Electrons are transferred from one atom of participating chemical species to another.

Read more on redox reaction here: https://brainly.com/question/13668620

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Complete Question:

Which two statements about redox reactions are true?

A. Double-replacement reactions are redox reactions.

B. Acid-base reactions are redox reactions.

C. One type of atom is oxidized and another is reduced.

D. Electrons are transferred from one atom to another.

The main purpose of the passage is to
A) present scientific research that lends credibility
to ideas about invention that would otherwise
appear outlandish.
B) show how a seemingly outdated set of beliefs has
led to revolutionary new inventions.
C) survey a range of factors in order to consider how
influential inventions and ideas were conceived.
D) emphasize the fact that inventors see isolation
from one another as essential to their work.

Answers

Answer:

D)Emphasize the fact that inventors see isolation from one another as essential to their work

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