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Credit card balances are normally​ distributed, with a mean of​ $2870 and a standard deviation of​...

Credit card balances are normally​ distributed, with a mean of​ $2870 and a standard deviation of​ $900. You randomly selected 25 credit card holders. What is the probability that their mean credit card balance is less than​ $2500? Put your work in the SHOW YOUR WORK. nothing

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orchestra answered 2 years ago
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