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For each of the 4 stroke categories, consider a random variable representing the time of a randomly selected swimmer in that category. what is the standard deviation of the sum …

For each of the 4 stroke categories, consider a random variable representing the time of a randomly selected swimmer in that category. what is the standard deviation of the sum …
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for each of the 4 stroke categories, consider a random variable representing the time of a randomly selected swimmer in that category. what is the standard deviation of the sum of the 4 random variables? responses

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User Incutonez
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8.0k points

1 Answer

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sd = 1.6726

bc i said so

answered
User Magius
by
8.8k points
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