2. Old Friends Information Service is a California company that is in the business of finding addresses of long- lost friends. Old Friends claims to have a 70% success rate. Suppose that you have the names of six friends for whom you have no addresses and decide to use Old Friends to track them. a. Make a histogram showing the probability of r=0 to 6 friends for whom an address will be found. b. Find the mean C. Find the standard deviation of this probability distribution. d. What is the expected number of friends for whom addresses will be found?

2. Old Friends Information Service is a California company that is in the business of finding addresses of long- lost friends. Old Friends claims to have a 70% success rate. Suppose that you have the names of six friends for whom you have no addresses and decide to use Old Friends to track them. a. Make a histogram showing the probability of r=0 to 6 friends for whom an address will be found. b. Find the mean C. Find the standard deviation of this probability distribution. d. What is the expected number of friends for whom addresses will be found?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 10CYU

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