Mathematics, 22.11.2019 20:31 kkruvc
Consider the following scenario. a marble factory produces marbles that weigh 10 grams apiece. the standard deviation of the weight of a bag of 100 marbles is 20 grams. you buy a bag of 100 marbles that weighs 960 grams. use mathematical calculations to prove 95% confidence that the purchased bag of marbles did not come from the factory.
Answers: 1
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Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling
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Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?
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