Suppose the talk time is normally distributed with mean 324 minutes and standard deviation 24 minutes. A. What proportion of the time will a fully charged battery last at least 372 minutes. B. What proportion of the time will a fully charged battery last less than 300 minutes. C. What is the probability it will last between 300 and 348 minutes? D. Find the talk time that makes up the middle 90% of talk time. E. Find the talk time for the 80th percentile.
Suppose the talk time is
A. What proportion of the time will a fully charged battery last at least 372 minutes.
B. What proportion of the time will a fully charged battery last less than 300 minutes.
C. What is the
D. Find the talk time that makes up the middle 90% of talk time.
E. Find the talk time for the 80th percentile.
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The mean is 324 and the standard deviation is 24.
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