question archive Assume that the distribution of wait times for the Seven Dwarfs Mine Train attraction at Disney World is normally distributed with a mean of 107 minutes and a standard deviation of 30
Assume that the distribution of wait times for the Seven Dwarfs Mine Train attraction at Disney World is normally distributed with a mean of 107 minutes and a standard deviation of 30
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Assume that the distribution of wait times for the Seven Dwarfs Mine Train attraction at Disney World is normally distributed with a mean of 107 minutes and a standard deviation of 30.4 minutes. Use this information to answer the questions that follow.
· What is the probability that an individual will wait less than 45 minutes?
· What is the probability that an individual will wait more than 140 minutes
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Answer:
1)0.02068
2)0.13786
Step-by-step explanation
This is an application of Central limit theorem.
So, first I standardize the random variable that represent the waiting time.
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