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The number of players on an NFL team is 53. If the distribution of individual weights is
N(245,25), what is the probability that a team selected at random will have an average weight
greater than 250 pounds?
A. 0.0403
B. 0.0727
C. 0.4052
D. 0.4207
Solution
z = 250 - 245 / 25
z = 5/25 = 1/5 = 0.2
P(Z>0.2) = 0.4207 = option D is ans

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  • 1. The number of players on an NFL team is 53. If the distribution of individual weights is N(245,25), what is the probability that a team selected at random will have an average weight greater than 250 pounds? A. 0.0403 B. 0.0727 C. 0.4052 D. 0.4207 Solution z = 250 - 245 / 25 z = 5/25 = 1/5 = 0.2 P(Z>0.2) = 0.4207 = option D is ans