ne Energizer Company claims that the life of oproximately normally distributed with a mean lengt hen used in DC motors, with a standard deviation of What are the given values? %3D . What is the probability that a sample of 8 batteries of less than 4 hours in DC motors? (Write a step-b

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B. The Energizer Company claims that the life of their battery products is
approximately normally distributed with a mean length of 6 hours of battery lfe
when used in DC motors, with a standard deviation of 2.4 hours.
a. What are the given values?
n =
%3D
b. What is the probability that a sample of 8 batteries will have a mean lifespan
of less than 4 hours in DC motors? (Write a step-by-step solution.)
Transcribed Image Text:B. The Energizer Company claims that the life of their battery products is approximately normally distributed with a mean length of 6 hours of battery lfe when used in DC motors, with a standard deviation of 2.4 hours. a. What are the given values? n = %3D b. What is the probability that a sample of 8 batteries will have a mean lifespan of less than 4 hours in DC motors? (Write a step-by-step solution.)
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