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A certain electric car's driving range when fully charged is approximately normally distributed, with a mean distance...

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Statistics

Acertain electric car's driving range when fully charged isapproximately normally distributed, with a mean distance of 345 mi,and a standard deviation of 18mi.
A) What is the probability that a randomly selected car ofthat model will go more than 360 miles on a single charge?
B) Describe the sampling distribution of x-bar, the samplemean range for a random sample of 15 cars of that model.
C) What is the probability that a random sample of 15 cars ofthat model has a mean of more than 360 mi per charge?
D) What is the probability that a random sample of 30 cars ofthat model has a mean of more than 360 mi per charge?

Answer & Explanation Solved by verified expert
3.8 Ratings (606 Votes)
Solution Given that mean 345 mlstandard deviation 18 mlA Px    See Answer
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