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If the height of 300 students is normally distributed with mean 68 inches and standard deviation 2 inches, how many students have height: a) Greater

If the height of 300 students is normally distributed with mean 68 inches and standard deviation 2 inches, how many students have height:

a) Greater than 72 inches

b) Less than or equal to 60 inches

c) Between 65 and 71 inches inclusive

d) Equal to 68 inches

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