The average time taken for your Internet service provider to remotely resolve a trouble ticket has a Normal distribution with a mean of 4.3 hours and a standard deviation of 3.1 hours. What percent of the time can you expect to wait longer than a full 8-hour business day for a resolution?

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A: Given Data: let X be the variable for capacity of cups let Y be the variable for coffee discharged…

Q: In one region of the Caribbean Sea, daily water temperatures are normally distributed with a mean of…

A: It is given that the mean is 77.9 and standard deviation is 2.4.

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A: Here, The bell company manufactures laptop computers. A study indicates that the life spans of their…

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Q: If a set of data is normally distributed with a mean of 50 and a standard deviation of 5, a z-score…

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Q: The Bell Company manufactures laptop computers. A study indicates that the life spans of their…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: If grades on a certain test are approximately normally distributed with a mean of 75 and a standard…

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Q: According to a recent study the Weight of male babies less than two months old in United States is…

A: Given that, Mean, mu= 11.4 Standard deviation, sigma= 2.7 We know that,  Z score= (X- my)/sigma

Q: Entrance exam scores at Cititon University are normally distributed with a mean of 202 and a…

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Q: If grades on a certain test are approximately normally distributed with a mean of 75 and a standard…

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Q: The number of minutes spent reading in one day is normally distributed with a mean of μ = 23 and a…

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

Q: The average time taken for your Internet service provider to remotely resolve a trouble ticket has a…

A: It is provided that,Mean (µ) = 4.343Standard deviation (σ) = 3.131.

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Q: Assuming that the heights of college women are normally distributed with mean 64 inches and standard…

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Q: A large company has many employees and the annual salaries of those employees follow a normal…

A: X follows a Normal distribution with mean = 70000 and S.D = 12000 Then z=(x-mean)/SD =…

Q: Assume the speed of vehicles along an open stretch of a certain highway in Texas that is not heavily…

A: It is given that mean is 71 and standard deviation is 3.125.

Q: A Survey among Seniors revealed that the number of hours spent Studying the week before final exams…

A: Give Standard deviations=7 Mean=25 P(x>40)=?

Q: The weekly demand for a popular product is distributed normal with a mean 39 KG and a standard…

A: Given that, The weekly demand for a popular product is distributed normal with, Mean = 39 Standard…

Q: Suppose that the duration of a particular type of criminal trial is known to be normally distributed…

A: Given that, If X is normally distributed, X~N(21,7) Mean,mu = 21, Standard deviation, sigma=7 X =…

Q: 1.A particular leg bone for dinosaur fossils has a mean length of 5 feet with a standard deviation…

A: Note: Please repost 2nd question as i can answer only 1 question as per my policy. 1) Given…

Q: The shaded region under a Normal distribution with mean 50 and standard deviation 2 is shown. Which…

A: Given Data: The graph is of Normal Distribution   Mean=50 Standard deviation=2

Q: The length of time it takes a Grade 11 student to play the Candy Crush computer app follows a normal…

A: Given that  The length of time it takes a grade 11student to play the candy crush computer is…

Q: In Melanie's Styling Salon, the time to complete a simple haircut is normally distributed with a…

A: Given, Mean = μ =25SD = σ =4

Q: A candy store sells about 8 million pieces of candy per day with a standard deviation of 300,000…

A: Given : Let X : Number candy that they sell in a given day           μ = 8 million i.e   Mean (μ) =…

Q: The Virginia Cooperative Extension reports that the mean weight of yearling Angus steers is 1152…

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Q: Suppose there is a city where the mean cost per month of a one-bedroom apartment is $1,500, with a…

A: Given: Meanμ=1500Standard deviationσ=250

Q: The heights of students are normally distributed with a mean of 59 inches and a standard deviation…

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Q: Assume that the hourly cost to operate a commercial airplane follows the normal distribution with a…

A: Consider X be a random variable which follows normal distribution indicates the operating cost of a…

Q: The average time taken for your Internet service provider to remotely resolve a trouble ticket has a…

A: Let us define the random variable X as the lengths of the time taken for resolving a trouble ticket…

Q: The scores of students on an exam are normally distributed with a mean of 241 and a standard…

A: We have given that,  Let X be the random variable from normal distribution with mean (μ) = 241 and…

Q: A company pays their employees an average of $52,500 per year. If the standard deviation for the…

A: Given : A company pays their employees an average of $52,500 per year. If the standard deviation for…

Q: Suppose the durations of human pregnancies follow a mound-shaped distribution with a mean of 266…

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Q: The Atlanta Braves baseball team has a mean batting average of 250 with a standard deviation of 20.…

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Q: Given a normal distribution of times (in minutes) that students require to take a particular exam…

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Q: The students of a large university in Luzon were studied regarding their hours of sleep at night.…

A: As the distribution of the hours of sleep can be modeled as normal distribution with mean μ of 6.9…

Q: At Pacific Freight Lines, bonuses are given to billing clerks when they complete 300 or more freight…

A: Given information Mean µ = 270 Standard deviation σ = 16 proportion of the time should a randomly…

Q: suppose the heights of 18-year-old men are approximately normally distributed, with mean 73 inches…

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Q: Heights of 18-year-old males have a bell-shaped distribution with mean 69.6 inches and standard…

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Q: A standardized test has a mean of 50 and a standard deviation of 4. Which of the following is the…

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Q: Assume the average amount of caffeine consumed daily by adults is normally distributed with a mean…

A: The detailed solution is as follows below:

Q: The hotel room rate in Miami, Florida is normally distributed with a mean of $286 per night. Assume…

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Q: A non-symmetric dataset has a mean of 200 and a standard deviation of 15.  Find an upper bound for…

A: Given: μ = 200 σ = 15 Solution: First calculate one sigma limit  μ ± σ = 200 ±15=185, 215 Two sigma…

Q: If the average height of miniature poodles is 30 cm with a standard deviation of 4.1 cm, what…

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Q: The gas mileage for a new model of car is normally​ distributed, with a standard deviation of 3.5…

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Q: The number of points scored by éäch at the end of the season is normally distributed with a mean of…

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Q: If IQ scores are normally distributed with a mean of 100 and a standard deviation of 15, what is…

A: The mean is 100 and the standard deviation is 15.

Q: Suppose that the amount of time that takes place for the Bureau of Internal Revenue to send refunds…

A: Solution: 4. Let X be the amount of time. From the given information, X follows normal distribution…

Q: A set of data items is normally distributed with a mean of 60 and a standard deviation of 9. Convert…

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