6. The mean weight of 200 people is 67kg and the standard deviation is 7kg. Assuming that the weights are normally distributed, determine how many people have a weight a. between 60 and 74 kg b. more than 81 kg c. between 53 and 88 kg

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6. The mean weight of 200 people is 67kg and the standard deviation is 7kg. Assuming that
the weights are normally distributed, determine how many people have a weight
a. between 60 and 74 kg
b. more than 81 kg
c. between 53 and 88 kg

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