Mathematics, 18.01.2021 22:10 perezsamantha3oqr0za
A fifth grade teacher gives homework every night in both mathematics and language arts. The time to complete the mathematics homework has a mean of 30 minutes and a standard deviation of 3 minutes. The time to complete the language arts homework has a mean of 40 minutes and a standard deviation of 4 minutes. Assuming both distributions of homework time are Normally distributed, what is the probability that the average time it takes to complete both homework assignments is greater than 82 minutes?
Answers: 1
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A fifth grade teacher gives homework every night in both mathematics and language arts. The time to...
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