Next question Get a similar question You can retry this question below Suppose that the speed at which cars go on the fr

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Next question Get a similar question You can retry this question below Suppose that the speed at which cars go on the fr

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Next Question Get A Similar Question You Can Retry This Question Below Suppose That The Speed At Which Cars Go On The Fr 1
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Next question Get a similar question You can retry this question below Suppose that the speed at which cars go on the freeway is normally distributed with mean 68 mph and standard deviation 8 miles per hour. Let X be the speed for a randomly selected car. a. What is the distribution of X?X - N( 68 8 O o b. If one car is randomly chosen, find the probability that it is traveling more than 64 mph. Round to 4 decumal places. c. If one of the cars is randomly chosen, find the probability that it is traveling between 67 and 70 mph. Round to 4 decimal places. Question Help: Written Example Message instructor Submit Question Jump to Answer

The percent of fat calories that a person in America consumes each day is normally distributed with a mean of about 36 and a standard deviation of 10. Suppose that one individual is randomly chosen. Let X-percent of fat calories. a. What is the distribution of X? X-N( 36 10 co b. Find the probability that a randomly selected fat calorie percent is more than 43. Round to 4 decimal places. c. Find the minimum number for the lower quartile of fat calories. Round to 2 decimal places. Question Help: Written Example Message instructor

Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 268 feet and a standard deviation of 40 feet. Let X be the distance in feet for a fly ball. a. What is the distribution of X?X - N( 268 40 O b. Find the probability that a randomly hit fly ball travels less than 253 feet. Round to 4 decimal places. c. Find the 75th percentile for the distribution of distance of fly balls. Round to 2 decimal places. feet Question Help: Written Example Message instructor Submit Question Jump to Answer

About 4% of the population has a particular genetic mutation. 400 people are randomly selected. Find the standard deviation for the number of people with the genetic mutation in such groups of 400. (if possible, round to 1 decimal place.) Question Help: Written Example Message instructor Submit Question Jump to Answer
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