Given a normal distribution with µ = 100 and σ = 10, if you select a...
Given a normal distribution with µ = 100 and σ = 10, if you select a sample of n = 25, what is the probability that ? is Between 95 and 97.5?
(a) 0.9878
(b) 0.0994
(c) 0.9500
(d) 0.8616 8.
Given a normal distribution with µ = 100 and σ = 10, if you select a sample of n = 25, there is a 64.8% chance that ? is above what value? [Hint find A such that P(?� >A)=0.648]
(a) 99.85
(b) 99.22
(c) 98.00
(d) 86.16
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