Mathematics, 19.10.2020 04:01 ivanyeli4520
The quality control manager at a computer manufacturing company believes that the mean life of a computer is 120
120
months, with a standard deviation of 10
10
months.
If he is correct, what is the probability that the mean of a sample of 90
90
computers would differ from the population mean by less than 0.85
0.85
months? Round your answer to four decimal places.
Answers: 2
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Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2
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Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.
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The quality control manager at a computer manufacturing company believes that the mean life of a com...
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