Ninety percent of all sales personnel in national sales organization meet their sales quotas. What are the probabilities that in random sample of 12 salesperson: a) at most 9 salespersons meet their quotas b) from 8 to 10 salespersons meet their quotas

Ninety percent of all sales personnel in national sales organization meet their sales quotas. What are the probabilities that in random sample of 12 salesperson: a) at most 9 salespersons meet their quotas b) from 8 to 10 salespersons meet their quotas

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

Ninety percent of all sales personnel in national sales organization meet their sales quotas. What are the probabilities that in random sample of 12 salesperson:

a) at most 9 salespersons meet their quotas

b) from 8 to 10 salespersons meet their quotas

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