Mathematics, 24.12.2019 02:31 gbprulesmile
Suppose that from the past experience a professor knows that the test score of a student taking his final examination is a random variable with mean 73 and standard deviation 10.5. how many students would have to take the examination to ensure, with probability at least 0.94, that the class average would be within 1.5 of 73?
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Samantha had 75 necklaces to cell by the end of the first week there was only 57 necklacesleft by the end of the second week there were only 38 necklaces left find the percent decrease in the number of necklaces by the end of the first week
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