Mathematics, 13.04.2021 22:00 hananbarakat
The life of light bulbs is distributed normally. The variance of the lifetime is 625 and the mean lifetime of a bulb is 530 hours. Find the probability of a bulb lasting for at most 564 hours. Round your answer to four decimal places.
Answers: 3
Mathematics, 21.06.2019 14:20, priscillavaladez1112
Twenty-five percent of the customers entering a grocery store between 5 p. m. and 7 p. m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.
Answers: 1
Mathematics, 21.06.2019 17:00, nataliahenderso
Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?
Answers: 3
The life of light bulbs is distributed normally. The variance of the lifetime is 625 and the mean li...
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