Mathematics, 23.05.2020 02:07 vanessajimenez361

The life expectancy of computer terminals is normally distributed with a mean of 4 years and a standard deviation of 10 months. a. What is the probability that a randomly selected terminal will last more than 5 years? b. What percentage of terminals will last between 5 and 6 years? c. What percentage of terminals will last less than 4 years? d. What percentage of terminals will last between 2.5 and 4.5 years? e. If the manufacturer guarantees the terminals for 3 years (and will replace them if they malfunction), what percentage of terminals will be replaced?

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The life expectancy of computer terminals is normally distributed with a mean of 4 years and a stand...