When people take their car to the service department the cost has a mean cost of $873.12 and a standard deviation of $513.43. What is the probability that a person has a cost of more than $956.22 if the costs are normally distributed?

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

A: Given : Average bus time is: μ=31 minutes Standard deviation: σ=5 minutes The Z-score is calculated…

Q: The time needed to complete a final examination in a particular college course is…

A:

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

A:

Q: The time needed to complete a final examination in a particular college course is…

A: Given: Population mean (µ) = 80 Population standard deviation (σ) = 10 Consider, X be the random…

Q: The monthly utility bills in a city are normally distributed with a mean of $121 and a standard…

A: Given : The monthly utility bills in a city are normally distributed with a mean of $121 and a…

Q: Riana Miren and Trinh are 40 and 57 years old, respectively. Based on a normal distribution with…

A: It is given that  Mean, μ = 49.3 Standard deviation, σ = 11.8 Z-Score, Z = ( X-μ )/σ

Q: According to the children’s growth chart that doctors use as a reference, the heights of…

A:

Q: A local sports magazine reports the mean length of a baseball game to be 175.9 minutes with a…

A:

Q: Suppose the grades in a mathematics class are Normally distributed with a mean of 75 and a standard…

A: Introduction :-  Here the grades in a mathematics class are Normally distributed with a mean of 75…

Q: Given a normal distribution with mean = 100 and standard deviation = 10, what is the probability…

A: The distribution of X is a normal distribution as follows X~N(100, 10)

Q: The Coffee Bean and Tea Leaf morning customer load follows a normal distribution with mean 46 and…

A: Solution

Q: Tompkins Associates reports that the mean clear height for a Class A warehouse in the United States…

A:

Q: A set of final examination grades in an introductory statistics course is normally​ distributed,…

A: Given that, A set of final examination grades in an introductory statistics course is normally​…

Q: THE SICK-LEAVE TIME OF EMPLOYEES IN A FIRM IN A MONTH IS NORMALLY WITH A MEAN OF 100 HOURS AND A…

A:

Q: The number of people in a department store is normally distributed with a mean of 85 and a standard…

A: We have to find the solution for the given problem.

Q: At Jen and Perry Ice Cream Company, a machine fills cartons of Top Flavour ice cream.  The amount is…

A: Obtain the standard z-score for the random variable X equals 17.76 ounces. The standard z-score for…

Q: The tread life of Stone Soup tires can be modeled by a normal distribution with a mean of 35,000…

A: Given: Population mean = 35000 Population standard deviation  = 4000     Sample size (n) = 100 Let X…

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: 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: The driving distance to work for residents of a community is has a mean of 21 miles and a standard…

A: The objective here is to find the probability that individual drives between 10 and 20 miles to…

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: If the normal operating life of a car is considered to be 150,000 miles, with a standard deviation…

A: The probability that a car will last 200,000 miles is calculated as follows:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 13 inches,…

A:

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: A physical fitness association is including the mile run in its secondary-school fitness test. The…

A: P(X<348)=?

Q: What is the standard deviation of this probability distribution

A:

Q: The grades of a statistics midterm are normally distributed with a mean of 79 and a standard…

A: Normal distributionμ=79σ=3.5pgrade between74 and 80=?

Q: A set of final examination grades in an introductory statistics course is normally​ distributed,…

A: We have to find given probability..

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: A newspaper publisher has mean sales of 28,200 copies per day with a standard deviation of 3,100…

A: 1.   From the given information, the mean sales is 28,200 copies per day and the standard deviation…

Q: The time needed to complete a final examination in a particular college course is normally…

A: Let X be the random variable from normal distribution with mean (μ) = 160 minutes standard deviation…

Q: the breaking of a particular rope is normally distributed, with the mean of 350 lbs. and a standard…

A:

Q: A quality control company was hired to stuudy length company. The team carefully measured the length…

A:

Q: The time needed to complete a final examination in a particular college course is normally…

A:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.6…

A: To find the probability of items will last longer than 9 years.

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: A set of final examination grades in an introductory statistics course is normally​ distributed,…

A: Here, µ = 72, σ = 9.

Q: The annual per capita consumption of ice cream (in pounds) in the United States can be approximated…

A: It is given that the mean is 20.7 and the standard deviation is 4.2.

Q: A firm's marketing manager believes that total sales for the firm next year can be modeled using a…

A: Given: x~N(μ,σ)μ=$2,500,000σ=$300,000

Q: The heights of 18 year-old men are approximately normally distributed, with a mean 68 inches and a…

A: The random variable height follows normal distribution. The population mean is 68. The population…

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

A: Solution: Let X be the transport time. From the given information, X has mean µ=28 minutes and a…

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

A: Solution: Let X be the transport time. From the given information, X has mean µ=31 minutes and a…

Q: In a murder trial in Los Angeles, a shoe expert stated that the heights of men with size 12 shoes is…

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 weights of college football players are normally distributed with a mean of 191 pounds and a…

A: Given,   Mean = 191 Standard deviation = 49

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: a distribution with a mean of 100 and a standard deviation of 15, what is the probability that a…

A:

Q: The ages of patients in a hospital were normally distributed with a mean of sixty-three years and a…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.