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nikitadnepr [17]
3 years ago
11

The manager of a night club in boston stated that 95% of the customers are between the ages of 21 and 27 years. if the age of cu

stomers is normally distributed with a mean of 24 years, calculate its standard deviation.
Mathematics
1 answer:
11111nata11111 [884]3 years ago
5 0
95% of a normal distribution lies within ±1.96 standard deviations of the mean. That is, ±3 years represents ±1.96 standard deviations, so ...
.. the standard deviation is 3/1.96 = 1.53 years.
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