fifty-nine percent of U.S. adults think that civil rights for black americans have improved during their lifetime. you randomly select nine U.S. adults find the probability that the number who think that civil rights for black americans have

Q: This problem involves students who have taken Calculus in high school. Assume that 15 percent of…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: In a certain factory, the probability of workers suffering from an occupational disease is 20%.…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: Ten percent of all people are left handed.  Thus the probability that both a mother and her daughter…

A: Given information: Percentage of all people who are left-handed = 10% or 0.10 It is required to…

Q: thirty four percent of us adults have very little confidence in newspapers. You randomly select 8 US…

A: Binomial distribution:The binomial distribution gives the probability of number of successes out of…

Q: According to a study, 79% of K-12 schools or districts in a country use digital content such as…

A: Let,Event D = Schools or districts in a country use digital content.Event C = Schools use digital…

Q: A zoo has a collection of 400 flamingos. 180 of these flamingos are red. One day, a fence blew down…

A: Given : A zoo has a collection of 400 flamingos. 180 of these flamingos are red.

Q: A basketball player with a history of making 80% of the foul shots taken during games. What is…

A: Given that n =7 , p= 0.80 Find P ( X =5 ) =?

Q: Statistics show that about 42% of Americans voted in the previous national election. If three…

A:

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A:

Q: Assume that the critic finds that 25 percent of the movies have positive comments about the plot, 40…

A: The event A is defined as the movies have positive comments about the plot, event B is defined as…

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A: Let X represent random variable   n=5 p=0.08   X~ binomial (5, 0.08)

Q: Twenty percent of all undergraduates at a university are chemistry majors. In a random sample of…

A: Given information:Population proportion (p) = 20%                                         p =…

Q: 42% of US adults have very little confidence in newspapers. You randomly select 10 US adults. Find…

A: Given that, 42% of US adults have very little confidence in newspapers. Sample size, n = 10

Q: 75% of the students are commuters, 45% are female, and 30% are female commuters. If selected at…

A: Consider the following events, C=selected student is a commuterF=selected student is a female Given…

Q: 36% of U.S. adults say they are more likely to purchase during a sales tax holiday. You randomly…

A: I will use excel formula "=BINOM.DIST(x, n, p, FALSE)" to find the probability. x n p Excel…

Q: Studies show that seven percent of adults live to age of 110. You randomly select five adults. Find…

A: Obtain the probability that at least two of them will live until age of 110. The probability that at…

Q: If math. Professor receives on average of 5 e-mail messages per day from Students, then the…

A:

Q: Assume that 30 percent of students have taken calculus in high school. Of those who have taken…

A: Let define the events: C = students taken calculus in high school C=students do not taken calculus…

Q: probability that a visit to a particular car dealer results in neither buying a second hand car nor…

A: Given: Let S and J denote second hand car and Japanese car respectively. P(S) = 0.25 P(J) = 0.30…

Q: Color blindness has a rate of about 5% among males.  If you pick a group of 15 males, what is the…

A:

Q: Researchers suggest that 9.5% of females in Scotland have red hair. Approximately 10% of Scottish…

A: Conditional probability formula : P(A | B) = P(A n B) /P(B)

Q: Approximately 10.3% of high school students drop out of school before graduation. From a random…

A: Let p be the probability of high school students drop out of school before graduation  n=Sample  X…

Q: If the probability of being hit by lightning is 1 in 1,000,000, what is the probability of not…

A: Given that , P (being hit by lightning) = 1/1000000 =0.000001

Q: Seventeen percent of married couples say they are planning a trip to Europe. You randomly select 15…

A: Suppose a random variable x, defines the number of married couples, who are planning a trip to…

Q: You play a game with your friend where your probability of winning is 5%. If you play the game 50…

A: Given that: Sample size (n) = 50 P = 5% By using binomial distribution we solve this problem

Q: How to calculate the probability that 2 out of the 19 patients won't

A: Given that The probability that a patient does not recover from a certain stomach disease is 9.0%.…

Q: 80% of teenagers have access to some social media. If you do a random survey of 400 teenagers, what…

A:

Q: A disease affects 1 out of every 500 people. If you have the disease, you test positive 90% of the…

A: P( a person affected by the disease) = P(D) = 0.002 P( a person not affected by the disease) = P(ND)…

Q: Research has shown that approximately 1 woman in 700 carries a mutation of a particular gene. About…

A: We are given,Research has shown that approximately 1 woman in 700 carries a mutation of a particular…

Q: Statistics from driver’s tests in a state show that 75% of test-takers pass the test the first time,…

A: Giving that: Probability of passing the test in first time =0.75 Probability of passing the test in…

Q: Geographers want to determine the probability that exactly 7 out of 10 tourists in New York they…

A: There are two possibilities of event 1. Either they will visit the statue. 2. Or they will not visit…

Q: According to a study, 74% of K-12 schools or districts in a country use digital content such as…

A: Given datan=10x=5p∧=xn=510=0.5Po=74%=0.74

Q: Fans enter a sports stadium at a rate of 70 people every 10 minutes. We would like to determine the…

A: Fans enter a sports stadium at a rate of 70 people every 10 minutes For 15 minutes , the rate =105

Q: The​ (hypothetical) table below shows the relationship between the number of hours students work at​…

A: Answer:- From the above information,  Number of students who graduates in over 6​ years and works…

Q: A survey of U.S. adults ages 18-29 found that 92% use the internet. You randomly select 100 adults…

A: Given that:Success probability, p = 0.92Sample size, n = 100

Q: This problem involves students who have taken Calculus in high school. Assume that 35 percent of…

A: Solution: Let A be the event that students have taken calculus in high school and B be the event…

Q: The probability that four randomly selected high school drivers all drove when drinking alcohol is

A: Given: Drove when drinking alcohol Yes No Total Texted while driving 737 3027 3764 No Texting…