A 2006 Toyota Echo has a mean gas mileage of 32 miles per gallon (mpg) with a standard deviation 5 mpg. Enterprise, the car rental company buys 53 of these cars. What is the probability that the average mileage of the fleet is greater than 31 mpg?

Q: According to a survey, the average height of NBA players is 78 in. with a standard deviation of 7…

A: We have given that,  X is random variable are normally distributed with average or mean (mu) = 78…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 13.5…

A:

Q: A 2012 Nissan Altima has a mean gas mileage of 27 miles per gallon (mpg) with standard deviation 4…

A: Given that: X is normally Distributed with mean µ = 27.0 and standard deviation σ = 4.0 By using…

Q: The Boeing 727 airliner carries 200 passengers and has doors with a height of 72 inches. Heights of…

A: Use excel formula "=NORMDIST(72, 68.5, 2.4/SQRT(100), TRUE)" to find the probability. Answer:

Q: Power +, Inc. produces AA batteries used in remote-controlled toy cars. The mean life of these…

A:

Q: Consider a gamble with a 40% chance of winning $10 and a 60% chance of losing $10. What is the…

A: Given data: The given chance of winning is P(W)=40%=0.40. The given chance of losing is…

Q: The average public high school has 468 students with a standard deviation of 87. If a public school…

A: Given, mean=μ=468 and standard deviation=σ=87.

Q: A species of extra-terrestrial has a mean height of 23 cm and a standard deviation of 3.6 cm. What…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally…

A: As per bartleby guidelines for more than three subparts, only 1st three are to be answered. Please…

Q: According to an NRF survey conducted by BIGresearch, the average family spends about $237 on…

A: (a)   Obtain the probability that they spend less than $135 on back-to-college electronics.   The…

Q: According to an NRF survey conducted by BIGresearch, the average family spends about $ 229 on…

A:

Q: A certain car model has a mean gas mileage of 34 miles per gallon with a standard deviation 5 mpg. A…

A:

Q: What is the standard deviation of the number of burglarized houses? What is the probability that…

A: Given : The probability that a house in an unban area will be burglarized is 5% . A sample of 50…

Q: The average Pagibig salary loan for RFS Pharmacy Inc employees is 23,000. If the debt is normally…

A: The average Pagibig salary loan for RFS pharmacy Inc employees is 23000. If the debt is normally…

Q: The number of driving miles before a certain kind of tire begins to show wear is on the average of…

A:

Q: According to an NRF survey conducted by BIGresearch, the average family spends about $237 on…

A:

Q: The average public elementary school has 468 students with a standard deviation of 87. If a random…

A: Given: Mean=μ=468 Standard deviation=σ=87

Q: In an article about the cost of health care, Money magazine reported that a visit to a hospital…

A: It is given that the mean is 328 and standard deviation is 92.

Q: Assume the average height for all American women is 64 inches with a standard deviation of 2 inches.…

A:

Q: The life of a certain type of automobile tire is normally distributed with mean 34,000 miles and…

A: We have to find given probability..

Q: What is the probability that a randomly selected bag contains fewer than 1125 chocolate​ chips? ​(b)…

A: From provided information, chocolate chip cookie is approximately normally distributed with a mean…

Q: Aaliyah is 74 years old. Based on a normal distribution with mean 47.8 and standard deviation 12.6,…

A: GivenAaliyah is 74 years oldx=74Mean(μ)=47.8standard deviation(σ)=12.6

Q: According to an NRF survey conducted by BIGresearch, the average family spends about $237 on…

A: We have given that the random variable X is normally distributed with mean $237 and standard…

Q: Suppose the mean weight of school children's book bags is 17.5 pounds, with standard deviation 2.2…

A: Given problem Given that   The mean weight of school children's book bags = μ = 17.5 pounds…

Q: A civil engineer takes a public ride going to his firm. The average time for his trip is 24 minutes,…

A: The mean is μ=24 and the standard deviation σ=3.8 The office coffee time is 8:50 to 9:00 AM. So he…

Q: The Public Service Student Loan Forgiveness program states that the average amount of student loan…

A:

Q: A coffee vending machine is regulated so that it discharges an average of 200 milliliters per cup.…

A: Mean(µ) = 200Standard deviations (σ) = 15X ~ N (µ, σ )= N(200, 15)

Q: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally…

A:

Q: A chemical engineer processes 20 pilot batches and has the following active ingredient yield…

A: The probability of getting at least 50.5 grams per litre if the true mean yield is 52 grams per…

Q: The average person uses 130 gallons of water daily. If the standard deviation is 35 gallons , find…

A: Given that, Mean = 130 Standard deviation = 35 Sample size = 25

Q: Traveling between University of Santo Tomas and Rizal Park, Manila via shuttle bus takes, on…

A: Let us denote: X=time to travel between University of Santo Tomas and Rizal ParkGiven that X follows…

Q: The average per capita spending on health care in the USA is 5274 USD. If the standard deviation is…

A: Given,mean(μ)=5274standard deviation(σ)=600

Q: 10. Bags of grain in a warehouse have a mean weight of 60 pounds with a standard deviation of 4…

A: 1] mean weight=60 2] standard deviation =4 3] n=36 4] Xi ~ N60,4

Q: According to the National Association of Colleges and Employers, the 2015 mean starting salary for…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: Traveling between two campuses of a university in a city via shuttle bus takes, on average, 28…

A: Given information: Mean μ=28 minutes Standard deviation σ=5 minutes Number of times bus transported…

Q: Rob Raydo, a data analyst in a certain bank, found that the mean amount of credit card debt per…

A: Solution: Note: Hello! As you have posted 2 different questions, we are answering the first question…

Q: Red Bull is the most popular energy drink in sales in the United States. Red Bull GmbH (the parent…

A: Probability: If a random experiment results in n mutually exclusive and equally likely outcomes; out…

Q: A recent survey taken by Adecco of 1,047 employees found that 28% of them would lay off their bosses…

A: Note: Hey, since multiple subparts are posted, we will answer first three subparts according to our…

Q: According to the U.S. Energy Administration, the mean monthly household electric bill in the United…

A: Note- Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: the average time spent on a watching television in a state in the USA is 140 minutes the standard…

A: In question, Given that the average time spent on a watching television in a state in the USA is 140…

Q: Most graduate schools of business require applicants for admission to take the Graduate Management…

A: Given:  mean =527 standard deviation = 112 Let the scores of GMAT be X Scores on the GMAT are…

Q: The annual per capita consumption of bottled water was 33.5 gallons. Assume that the per capita…

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: The average number of acres burned by forest and ange fires in a large New Mexico county is 4,255…

A: HERE GIVEN FOR  NO FO ACRES BURNED BY FOREST  IT IS NORMALLY DISTRIBUTED  MEAN=μ=4255 acres SD=σ=744…

Q: Brooke Henderson of the LPGA, who just won her second major last weekend, layed a round of golf and…

A: Let X be the random variable from normal distribution with mean (μ) = 21.4 and standard deviation…

Q: What is the probability that the height of an 18-year-old man selected at random is between 69…

A: Given μ=68σ=3

Q: "Chá. Traveling between University of Santo Tomas and Rizal Park, Manila via shuttle bus takes, on…

A: Suppose, X be the time takes a shuttle bus. Assume that, X follows Normal distribution with average…

Q: According to a special issue of Beverage Digest, the US per capita consumption of soft drinks in…

A: Given,   Mean = 42.2 Standard deviation = 13   The objective is to find the required probabilities.…

Q: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally…

A: Policy: Since you have posted a question with multiple sub-parts, we will solve first three subparts…