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OpenStudy (azamoor):
if age distribution of customers at a major retail chain is thought to be bell shaped with a mean equal to 43 years and a standard deviation equal to 7 years, the percentage of the customers between the ages 29 and 57 years is?
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OpenStudy (puertoricangirl):
I think about 95
OpenStudy (azamoor):
how did you work it, tell me pl
OpenStudy (azamoor):
plz
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