Question
8) Determine the following probabilities given a normal x-
distribution(convert to z first):
(a) u is 8, o is 17 with n = 64. Find P(>9).
(b) u is 20, o is 3 with an n = 36. Find P(<19).
(c) u is 32, o is 0.3 with an n= 20. Find P(31.8<<31.9).
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Transcribed Image Text

8) Determine the following probabilities given a normal x- distribution(convert to z first): (a) u is 8, o is 17 with n = 64. Find P(>9). (b) u is 20, o is 3 with an n = 36. Find P(<19). (c) u is 32, o is 0.3 with an n= 20. Find P(31.8<<31.9).