Business, 12.01.2021 18:40, jinn53

A company is in the business of finding addresses of long lost friends. The company claims to have a 70 % success rate. Suppose that you have the names of seven friends for whom you have no addresses and decide to use the company to track them. a. Make a histogram sowing the probability of r = 0 to 7 friends for whom an address will be found,
b. Find the mean and the standard deviation of this probability distribution. What is the expected number of friends for whom addresses will be found? (Round your answer to two decimal places),
c. How many names would you have to submit to be 96 % sure that at least two addresses will be found? (Enter your answer as a whole number.)

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A company is in the business of finding addresses of long lost friends. The company claims to have a...