yuppcami7402 yuppcami7402

16-01-2024
Mathematics

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In the second quarter of 2015, the average movie ticket cost $8.61. 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?
a) 0.2119
b) 0.7881
c) 0.5
d) 0.95

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