Short Answer
Use the following
When a certain pitcher throws his fastball, 75% of the time it is a strike. Suppose he throws 20 fastballs and that the pitches are independent of one another. Let X represent the number of strikes in 20 pitches.
Round all answers to three decimal places.
-Find the mean of the random variable X.
Correct Answer:
Verified
Correct Answer:
Verified
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