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A company in in the business of fnding addresses of long-lost friends. The company claims to have a 70% sutcess rate. Suppose that you have the names of six friends for whom you have no addresses and decide to use the company to track them. A USE SALT (a) Make a histogram showing the probablity of r O to 6 friends for whom an address wi be found.

A company in in the business of fnding addresses of long-lost friends. The company claims to have a 70% sutcess rate. Suppose that you have the names of six friends for whom you have no addresses and decide to use the company to track them. A USE SALT (a) Make a histogram showing the probablity of r O to 6 friends for whom an address wi be found.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A company in in the business of fioding addresses of long-lost friends. The company claims to have a 70% success rate. Suppose that you have the names of six friends for wham you have no addresses and decide to use the company to track them. A USE SALT (0) Make a histogram showing the probablity of r-0 to 6 friends for whom an address wi be found. 25 04 as 025 606
Transcribed Image Text:A company in in the business of fioding addresses of long-lost friends. The company claims to have a 70% success rate. Suppose that you have the names of six friends for wham you have no addresses and decide to use the company to track them. A USE SALT (0) Make a histogram showing the probablity of r-0 to 6 friends for whom an address wi be found. 25 04 as 025 606
(b) Find the mean and standard deviation of this probability distribution. What is the expected number of triends for whom addresses will be found? (Round your standard deviation to two decimal places) mends friends (c) What is the smallest number of names would you have to submit to be at least 96% sure that at least two addresses wil be found? (Enter your answer as a whole number) names
Transcribed Image Text:(b) Find the mean and standard deviation of this probability distribution. What is the expected number of triends for whom addresses will be found? (Round your standard deviation to two decimal places) mends friends (c) What is the smallest number of names would you have to submit to be at least 96% sure that at least two addresses wil be found? (Enter your answer as a whole number) names
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