In recent years, the average movie ticket cost $7.89. In a random sample of 50 movie tickets from various areas, what is the probability that the mean cost exceeds $8.00, given that the population standard deviation is $1.39?
Added by Vickie K.
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We are given the population mean ($\mu$) as $7.89, the population standard deviation ($\sigma$) as $1.39, and the sample size (n) as $50. Show more…
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