Mathematics, 05.07.2019 20:30 rilee3344
Your company manufactures hot water heaters. the life spans of your product are known to be normally distributed with a mean of 13 years and a standard deviation of 1.5 years. what is the probability that the mean life span in a group of 10 randomly selected hot water heaters is between 12 and 15 years? (round to the nearest ten-thousandth.)
Answers: 1
Mathematics, 21.06.2019 17:30
Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?
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Mathematics, 21.06.2019 17:30
Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?
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