Seventy percent of the bicycles sold by a certain store are mountain bikes. Among 100 randomly selected
Question:
a. At most 75 are mountain bikes?
b. Between 60 and 75 (inclusive) are mountain bikes?
c. More than 80 are mountain bikes?
d. At most 30 are not mountain bikes?
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To use the normal approximation in this scenario first verify that np 10 and n 1 p 10 where n 100 ...View the full answer
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