A recent survey reported that 47​% of​ 18- to​ 29-year-olds in a certain country own tablets. What is the probability that in the next six​ 18- to​ 29-year-olds surveyed, four will own a​ tablet? Use the binomial​ distribution.

A social scientist gathers a carefully chosen group of 20 people whom she is selected to represent a broad cross section of the multiple of the population in New York City. She interviews them in depth for a study that she is doing regarding race relations in the city. Is there a probability sample? Explain your answer.

Consider a binomial distribution. About 61% of all Salinas residents own a smart phone. Find the mean number of residents  own a smart phone when selecting a sample of n = 53 residents.

Among employed women, 25% have never been married. Select 10 employed women at random. A. The number in your sample who have never been married has a binomial distribution. What is n?n?  What is p?p?  B. What is the probability that exactly 2 of the 10 women in your sample have never been married?  C. What is the probability that 2 or fewer have never been married?  D. What is the mean number of women who have never been married?  E. What is the standard deviation?

According to a study conducted by the Gallup organization, the proportion of Americans who are afraid to fly is 0.10.  A random sample of 1100 Americans is taken and they are asked if they are afraid to fly.  Find the probability that the sample portion of Americans in the sample who say they are afraid to fly is greater than 12.   QUESTION REFERS TO DISTRIBUTION OF THE SAMPLING PROPORTION PHAT

Take a case of tossing of 20 coins. Draw a probability distribution of all the exhaustive events possible in the case. Use excel for calculations and plotting.

21% of U.S. employees who are late for work blame oversleeping. You randomly select four U.S. employees who are late for work and ask them whether they blame oversleeping. The random variable represents the number of U.S. employees who are late for work and blame oversleeping. Find the mean of the binomial distribution.

A teacher asks 200 volunteers to compete a survey. Responses to the question "do you own a car" (yes or no) were recorded. Please explain why this is not a binomial distribution.

Determine whether the given procedure results in a binomial distribution.    Tossing a coin 12 times and recording the number of outcomes that are heads.

Aleem tossed a coin 50 times and recorded the results in a frequency distribution table. Outcome Frequency Heads 22 Tails 28 What is the experimental probability of tossing a head?