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Eighty-two percent of adult Internet users have purchased products or services online. Use the calculator to answer the questions below (3 points each): For a
Eighty-two percent of adult Internet users have purchased products or services online.
Use the calculator to answer the questions below (3 points each):
- For a random sample of 200 adult Internet users, find the mean and the standard deviation for the number who have purchased goods or services online.
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- For a random sample of 200 adult Internet users, find the probability, that exactly 170 users shop online. Write the probability using the inequality symbols <, , >, .
- For a random sample of 200 adult Internet users, find the probability, that no more than 165 users shop online. Write the probability using the inequality symbols <, , >, .
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Practical Linear Algebra A Geometry Toolbox
Authors: Gerald Farin, Dianne Hansford
3rd Edition
1466579587, 9781466579583
