Question: Question 9 4 pts Solve the problem. The probability is 0.4 that a person shopping at a certain store will spend less than $20. For

Question 9 4 pts Solve the problem. The probability is 0.4

Question 9 4 pts Solve the problem. The probability is 0.4 that a person shopping at a certain store will spend less than $20. For groups of size 21, find the mean number who spend less than $20. O 8.0 O 8.4 O 12.0 O 12.6

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