Suppose 39% of questions on a major exam are from past exams. A random sample of 25 questions is selected. Assuming independence, answer the following binomial probability questions Report probabilities accurate to at least 4 decimal places. What is the probability that, of the 25 questions selected: a) exactly 9 are from past exams? b) none of them are from past exams? c) at least 10 are from past exams? d) at most 12 are from past exams?

Q: Researchers sampled 185 young women who recently participated in a STEM program. Of the 185 STEM…

A: Given,no.of participants were in urban areas=112no.of participants were in  suburban arears=59no.of…

Q: A bag contains 9 red marbles, 5 white marbles, and 8 blue marbles. You draw 3 marbles out at random,…

A: As per our guidelines we are suppose to answer only one question. Given,no.of red marbles=9no.of…

Q: Nine new employees, two of whom are married to each other, are to be assigned nine desks that are…

A:

Q: Suppose there is a 11.7% probability that a randomly selected person aged 20 years or older is a…

A:

Q: A poll reported that 62​% of adults were satisfied with the job the major airlines were doing.…

A: Here it is given that 62% are satisfied with the job. Also a sample of 20 adults are taken. So the…

Q: According to one source, 1 in 7 Americans struggled with hunger in a recent year. Two Americans are…

A: Given data  P(struggle with hunger) = p =1/7 Select two at random .

Q: A poll reported that 62​% of adults were satisfied with the job the major airlines were doing.…

A:

Q: The actual probability that a person in the U.S. has type A+ blood is 0.31. If we select 6 people in…

A: Probability that a person in the U.S has type A+ blood(p)=0.31sample size(n)=6Let "x" be the no. of…

Q: At a drug rehab center 40% experience depression and 29% experience weight gain. 11% experience…

A: From the provided information, P(Depression) = 0.40 P(Weight gain) = 0.29 P(Depression & Weight…

Q: In our Discrete Maths class of 100 students, 40 students own a laptop, 25 students own a tablet and…

A: Let, X denote the set of students in the class.     Then, |X| = 100. Let, A and B denote the set of…

Q: In a certain shipment of 14 phones, 2 are defective. 6 of the phones are selected at random without…

A: Let x denote the number of defective. In a certain shipment of 14 phones, 2 are defective. That is,…

Q: In a certain college, 33% of the math majors belong to foreign student. If 10 students are selected…

A:

Q: A random sample of 450 adult is taken from a population of 15000. It is believed that 82% of the…

A:

Q: Suppose 82% of all students at a large university own a computer. If 6 students are selected…

A: In this case, each student has the only options of "owning a computer" (defined as success) or "not…

Q: A person draws a card from a hat.  Each card is one color, with the following probabilities:  1/20…

A: The probability of drawn of green card is 1/20. The probability of drawn of blue card is 1/10. The…

Q: Suppose a math class contains 27 students, 11 who do not wear glasses (two of whom speak French) and…

A: According to the given information, we have Total number of students = 27

Q: Suppose that a single card is selected from a standard 52-card deck. What is the probability that…

A: Here given 52 standard card deck. we draw single card.   sample space , S: Draw single card from 52…

Q: Subjects for the next presidential election poll are contacted using telephone numbers in which the…

A: According to the provided data, there are 10 digits (0-9) used in a telephone number where last four…

Q: In a certain​ country, the true probability of a baby being a boy is 0.536. Among the next eight…

A: Ans: Let X be a random variable showing the number of girls among 8 newborns. The probability of a…

Q: 1.The probability that a particular random sample of 4 people from this population has exactly 50%…

A: According to a health publication, 18.5% of persons under the age of 65 have no health insurance…

Q: In a certain​ country, the true probability of a baby being a girl is 0.485. Among the next seven…

A:

Q: Assume  that  20%  of the adult  population  in  a  given  province has a  college  degree, and…

A: The objective of this question is to find the probability that more than 350 people in a sample of…

Q: When making random guesses on an 8 question quiz the probability of guessing correctly on any one…

A:

Q: Researchers sampled 165 young women who recently participated in a STEM program. Of the 165 STEM…

A:

Q: If three letters of the English alphabet are selected at random, what is the probability of getting…

A: Given that three letter are to selected from the English alphabet. English alphabet has 26 letters.…