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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.
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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