SOLUTION: A certain type of storage battery lasts on the average 3.0 years, with a standard deviation of
0.5 year. Assuming that the battery lives are normally distributed, find the probabi
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-> SOLUTION: A certain type of storage battery lasts on the average 3.0 years, with a standard deviation of
0.5 year. Assuming that the battery lives are normally distributed, find the probabi
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Question 1151589: A certain type of storage battery lasts on the average 3.0 years, with a standard deviation of
0.5 year. Assuming that the battery lives are normally distributed, find the probability that a
given battery will last less than 2.3 years. Answer by VFBundy(438) (Show Source):
You can put this solution on YOUR website! z-score = = = -1.40
Looking up -1.40 on a z-table gives you a value of 0.0808. This means there is a 0.0808 probability the given battery will last less than 2.3 years.
