When Sam goes to a restaurant, he always tips the server $2 plus 10% of the cost
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When Sam goes to a restaurant, he always tips the server $2 plus 10% of the cost of the meal. If Sam’s distribution of meal costs has a mean of $9 and a standard deviation of $3, what are the mean and standard deviation of his tip distribution?
a. $2.90, $0.30
b. $2.90, $2.30
c. $9.00, $3.00
d. $11.00, $2.00
e. $2.00, $0.90
Select the best answer.
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