Mathematics, 10.11.2019 04:31 ghernadez
Rayovac type-d batteries have a "continuous use-life" that is approximately normally distributed with mean 21 hours and standard deviation 1.38 hours. duracell type-d batteries have "continuous use-life" that is approximately normally distributed with mean 24 hours and standard deviation 2.13 hours. find the probability (to four places after the decimal) single rayovac battery lasts under 22 hours: mean "continuous use-life" of 4 randomly selected rayovac batteries is less than 22 hours: mean "continuous use-life" of 16 randomly selected rayovac batteries is less than 22 hours: mean "continuous use-life" of 64 randomly selected rayovac batteries is less than 22 hours: single duracell battery lasts under 22 hours: mean "continuous use-life" of 4 randomly selected duracell batteries is less than 22 hours: mean "continuous use-life" of 9 randomly selected duracell batteries is less than 22 hours: mean "continuous use-life" of 25 randomly selected duracell batteries is less than 22 hours: randomly selected rayovac battery lasts longer than a randomly selected duracell battrey: random samples of four of each kind, the rayovac batteries have a longer mean "continuous use-life" than do the duracell batteries:
Answers: 2
Mathematics, 21.06.2019 17:00
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Rayovac type-d batteries have a "continuous use-life" that is approximately normally distributed wit...
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