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Mathematics, 30.09.2019 21:30 AdoNice
The time until recharge for a battery in a laptop computer under common conditions is normally distributed with a mean of 260 minutes and a standard deviation of 50 minutes. a. what is the probability that a battery lasts more than four hours? b. what are the quartiles (the 25% and 75% values) of battery life? c. what value of life in minutes is exceeded with 95% probability? 4.5.7 .wp . ss v
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