Solution:-
Given that,
mean =
= 100
standard deviation =
= 15
Using standard normal table,
P(Z > z) = 0.1285
= 1 - P(Z < z) = 0.1285
= P(Z < z) = 1 - 0.1285
= P(Z < z ) = 0.8715
= P(Z < 1.13 ) = 0.8715
z = 1.13
Using z-score formula,
x = z *
+
x = 1.13 * 15 + 100
x = 117
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Please Help Me Anser Following A-D :)
A)
B)C)D)
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