You believe that the average weight of a piece of equipment is more than 3,500 pounds. To

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You believe that the average weight of a piece of equipment is more than 3,500 pounds. To test this, you sample the weights of 15 of them, and find an average of 3,531 pounds. Assuming a Normal distribution with a population standard deviation of 70 pounds, test your belief with a significance level of 0.05.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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