Question 437313
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Hi
*Note: {{{z =blue (x - mu)/blue(sigma/sqrt(n))}}}
mean mu=100 and standard deviation sigma=18.
 P(x>108 for sample of 25)   z = 8/(18/5)= 2.2222
P(z > 2.222) = .0131     | 1 - NORMSDIST(2.2222) = 1 -.9869