The annual rainfall in a certain region is approximately normally distributed with mean 42.5 inches and standard deviation 6 inches. Round answers to 4 decimal places. Use Excel to answer these questions. a) What is the probability that a randomly selected year had an annual rainfall of less than 44 inches? b) What is the probability that a randomly selected year had an annual rainfall of more than 39 inches? c) What is the probability that a randomly selected year had an annual rainfall of between 38 inches and 43 inches? > Next Question

Q: The diameters of ball bearings are distributed normally. The mean diameter is 87 mm and the standard…

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Q: The time students take to complete an exam follows a uniform distribution and is between 35 minutes…

A: Given data: The time students take to complete an exam follows a uniform distribution. a = 35 b = 60

Q: A survey found that women's heights are normally distributed with mean 63.6 in and standard…

A: Given Information: Mean μ=63.6 Standard deviation σ=2.5 A branch of the military requires​ women's…

Q: The weight of trucks traveling on a particular section of I-475 has a population mean of 15.8 tons…

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Q: A random variable follows the normal probability distribution with a mean of 115 and a standard…

A: Mean()=115standard deviation()=24

Q: We are interested in the mean migration distance of Canadian geese. Suppose that we know that the…

A: Sample size n =25 Population mean μ =2500 Population standard deviation =250

Q: If the mean height of a population of students is 68 inches with standard deviation 3 inches, what…

A: Given that      The mean height of a population of students is 68 inches with standard deviation 3…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Mean = 243 feet SD = 54 feet Find the value of z to get answers.

Q: Trucks in a delivery fleet travel a mean of 130 miles per day with a standard deviation of 39 miles…

A: The data on per day mileage of a delivery truck is normally distributed. Population mean, Population…

Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: We are given,μ = 196σ = 22n = 60

Q: The breaking distances from a speed of 60 mph to a complete stop on dry pavement are normally…

A: From the given information,Let the x be a random variable that represent the breaking distance which…

Q: The accounting department at Weston Materials, Inc., a national manufacturter of unattached garages,…

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Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

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Q: The mean height of male College Students In a large City is 68 inches an d the Staodard deviation Is…

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Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Let, X=the distance of fly balls hit to the outfield (in baseball) Given that X is normally…

Q: Surveyors measured the number of cars that go through the intersection of Howard Street and Stadium…

A: Given that  Mean=Xbar=900.3 Standard deviation=sigma=17.35

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

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Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Given information- Population mean, µ = 255 feet Population standard deviation, σ = 43 feet Let, X…

Q: The lengths of lumber a machine cuts are normally distributed with a mean of 88 inches and a…

A: Given,Mean μ = 88Standard deviation σ = 0.6

Q: The length of a caterpillar is normally distributed with a mean of 17 feet. The standard deviation…

A: Let, X=The length of a caterpillar Given that X follows a normal distribution with mean=17 and…

Q: a) What is the mean speed now? What is the new standard deviation? The new mean would be mph. The…

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Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

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Q: 18 men will be tested for the discus throw. if Mu= 112ft and standard deviation= 13ft. find the…

A: The normal distribution:A continuous random variable X is said to follow normal distribution with…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: GivenMean =253Standard deviation =45 a)Let X be distribution of distance of fly balls hit to…

Q: Solve the problem. Assume that mountain lions' weights are normally distributed with a mean of 62.6…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 62.6 ,…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

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