10. An education finance corporation claims that the average credit card debts carried by undergraduates are normally distributed, with a mean of Php3275 and a standard deviation of Php1326. a. What is the probability that a randomly selected undergraduate, who is a credit card holder, has a credit card balance less than Php2800? b. You randomly select 30 undergraduates who are credit card holders. What is the probability that their mean credit card balance is less than

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A: Please refer the attached image for complete solution.

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A: Solve  5x =-5 3

Q: Solve

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A:

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A:

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Q: Kindly answer this as soon as possible and solve only by step-by-step method. And d not write answer…

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A:

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A:

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A: