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The weight of a randomly chosen American passenger car is a uniformly distributed random variable ranging from 4,400 pounds to 6,500 pounds.
(a) What is the mean weight of a randomly chosen vehicle?
Mean weight
(b) What is the standard deviation of a randomly chosen vehicle? (Round your answer to 4 decimal places.)
Standard deviation
(c) What is the probability that a vehicle will weigh less than 4,800 pounds? (Round your answer to 4 decimal places.)
P(X<4,800) =
(d) What is the probability that a vehicle will weigh more than 6,200 pounds? (Round your answer to 4 decimal places.)
P(X>6,200) =
(e) What is the probability that a vehicle will weigh between 4,800 and 6,200 pounds? (Round your answer to 4 decimal places.)
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Apply an ANOVA with alpha
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An experimental test to detect a particular type of cancer indicates the presence of cancer in 90% of individuals known to have this type of cancer, and in 15% of individuals known to be cancer-free (false positive)
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