the purchase value of transactions at a grocery store is normally distributed with a mean of $244 and a variance of 4624 (squared).
a) what is the maximum purchase value of transactions for the lowest-spending 33% of grocery store customer?
b) what is the probability that the purchase value of transactions of grocery store customers are between $159.00 and $271.20
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Step-by-steRationalise then answer 3/sqrt 18 + 5/ sqrt 72p explanation:
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