In September 2024
Answer to Question #325401 in Statistics and Probability for kem
A certain type of flashlight battery lasts on the average of 5 years with a standard deviation of 0.75 year. Assuming that the battery lives are normally distributed, find the probability that a given battery will last less than 3.5 years Find the probability
"P(X<3.5)=P(Z<\\frac{3.5-5}{0.75})=P(Z<-2)=0.0228."
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