You must convert the questions to statistics and show your work. Approximately 7

Question

You must convert the questions to statistics and show your work. Approximately 70% of baby boomers aged 43 to 61 are still in the workforce (The Boston Globe, July 10, 2008). Fifteen baby boomers are selected at random. Let X be a Binomial Random Variable. a. What is the probability that exactly three of the baby boomers is still in the workforce? b. What is the probability that at the most eight of the baby boomers are still in the workforce? c. What is the probability that at least four of the baby boomers are still in the workforce? d. What is the expected number of baby boomers aged 43 to 61 who are still in the workforce? e. Calculate the variance and the standard deviation for this probability distribution. You must convert the questions to statistics and show your work. Approximately 70% of baby boomers aged 43 to 61 are still in the workforce (The Boston Globe, July 10, 2008). Fifteen baby boomers are selected at random. Let X be a Binomial Random Variable. a. What is the probability that exactly three of the baby boomers is still in the workforce? b. What is the probability that at the most eight of the baby boomers are still in the workforce? c. What is the probability that at least four of the baby boomers are still in the workforce? d. What is the expected number of baby boomers aged 43 to 61 who are still in the workforce? e. Calculate the variance and the standard deviation for this probability distribution. Approximately 70% of baby boomers aged 43 to 61 are still in the workforce (The Boston Globe, July 10, 2008). Fifteen baby boomers are selected at random. Let X be a Binomial Random Variable. a. What is the probability that exactly three of the baby boomers is still in the workforce? b. What is the probability that at the most eight of the baby boomers are still in the workforce? c. What is the probability that at least four of the baby boomers are still in the workforce? d. What is the expected number of baby boomers aged 43 to 61 who are still in the workforce? e. Calculate the variance and the standard deviation for this probability distribution.

Explanation / Answer

You must convert the questions to statistics and show your work. Approximately 70% of baby boomers aged 43 to 61 are still in the workforce (The Boston Globe, July 10, 2008). Fifteen baby boomers are selected at random. Let X be a Binomial Random Variable. a. What is the probability that exactly three of the baby boomers is still in the workforce? b. What is the probability that at the most eight of the baby boomers are still in the workforce? c. What is the probability that at least four of the baby boomers are still in the workforce? d. What is the expected number of baby boomers aged 43 to 61 who are still in the workforce? e. Calculate the variance and the standard deviation for this probability distribution. You must convert the questions to statistics and show your work. Approximately 70% of baby boomers aged 43 to 61 are still in the workforce (The Boston Globe, July 10, 2008). Fifteen baby boomers are selected at random. Let X be a Binomial Random Variable. a. What is the probability that exactly three of the baby boomers is still in the workforce? b. What is the probability that at the most eight of the baby boomers are still in the workforce? c. What is the probability that at least four of the baby boomers are still in the workforce? d. What is the expected number of baby boomers aged 43 to 61 who are still in the workforce? e. Calculate the variance and the standard deviation for this probability distribution. Approximately 70% of baby boomers aged 43 to 61 are still in the workforce (The Boston Globe, July 10, 2008). Fifteen baby boomers are selected at random. Let X be a Binomial Random Variable. a. What is the probability that exactly three of the baby boomers is still in the workforce? b. What is the probability that at the most eight of the baby boomers are still in the workforce? c. What is the probability that at least four of the baby boomers are still in the workforce? d. What is the expected number of baby boomers aged 43 to 61 who are still in the workforce? e. Calculate the variance and the standard deviation for this probability distribution.

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