Solution :
Given that ,
mean = = 51
standard deviation = = 11
P(x 47)
= P[(x - ) / (47 - 51) / 11]
= P(z -0.3636)
= 0.3581
P(x 47) = 0.3581
7.2.23-1 :3 Westol hep ent Assume that the random variable X is normally distributed, with mean...
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