6. A family went to Disneyland and California Adventure and compiled some statistics in the waiting times for various rides. They found that the mean waiting time was 23.65 minutes and the standard deviation was 22.92 minutes.
6.
Suppose, random variable X denotes waiting time for various rides.
(a)
Required probability is given by
= 0.2561911 [Using R-code 'pnorm(0.2770506)-pnorm(-0.3773997)']
(b)
Suppose, approximate waiting time for Tower of Terror be k minutes.
So, approximate waiting time for Tower of Terror is 66.7578 minutes.
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