What is the probability of a male foot length between 10 and 12.5 inches? (Use the same mean of 11 and standard deviation of 1.5 as before.)

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

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 annual per capita consumption of bottled water was 33.3 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: A Texas Instrument calculator operating life is normally distributed with a mean of 3,850 hours, and…

A: Given information- Population mean, μ = 3850 hours Population standard deviation, σ = 350 hours…

Q: During my office hours (from 12pm to 6pm), an average of about 1 student per hour comes in for help.…

A: Given, During my office hours (from 12pm to 6pm), an average of about 1 student per hour comes in…

Q: In 2002, the average height of a woman aged 20–74 years was 64 inches. Suppose the height of a woman…

A:

Q: the golf scres for a team were normally distributed with a mean of 95 and a standard deviation of 6.…

A: We have find givan normal distribution..

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: In a normal distribution with a mean of 72 and a standard deviation of 12 what is the probability…

A: Given,mean(μ)=72standard deviation(σ)=12

Q: Tiger Woods hits an average driver 287.2 yards with a standard deviation of 24.6 yards. What is the…

A: The probability value is calculate by means of standard normal variate with the random variable,…

Q: 21. The mean height of a Clydesdale horse is 72 inches with a standard deviation of 1.4 inches. What…

A: Mean(µ) = 72Standard deviations (σ) = 1.4X ~ N (µ, σ )= N(72, 1.4)

Q: A normal distribution is observed from the number of rentals per week for a certain car rental…

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Q: Based on historical data, it is reasonable to assume that the number of points that students receive…

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Q: Assume that the foot length of adult males is normally distributed with mean 11 inches and standard…

A: Answer - Given X   ~  N( μ, σ )                 Where   μ =11 inches     and   σ  = 1.5 inches…

Q: Cititon Forest contains a population of 326 chupacabra, whose masses have a mean of 30.2 kg and a…

A: Given that ; N = 326 u = 30.2 kg n = 70 kg ? = 7.4 kg By using standard normal distribution we solve…

Q: The Monthly salaries of teachers at Los Angeles Trade Tech are normally distributed with a mean of…

A: Given information: The monthly salaries of teachers at Los Angeles Trade Tech are normally…

Q: The length of an episode of the hit TV show, Fake Blood, is normally distributed with a mean of 62…

A: Given that  X~Normal(μ=62 , ?=4.5) Mean=μ=62 , Standard deviation=?=4.5)

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: A burrito maker claims that the meat content is 15 grams on average , and a standard deviation of…

A: Given: Sample size=n=40, population mean=μ=15 and standard deviation=σ=1.5.

Q: A large corporation pays its employees an average of $64,000 per year with a standard deviation of…

A:

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: A small retail store has customers whose ages are normally distributed, with a mean of 37.5 and a…

A: Let X denote the customer ages and it follows normally distribution with a mean of 37.5 and a…

Q: A major application of analytics in marketing is determining customer retention. Suppose that the…

A: Given The customer leaving for another carrier from one month to the next is 0.14

Q: When people take their car to the service department the cost has a mean cost of $873.12 and a…

A: Solution: Let X be the cost. From the given information, X follows normal distribution with mean…

Q: In the United States, men’s heights have mean of 69 inches, and standard deviation of 3 inches.…

A: Let X be the height of men in United States. X follows normal distribution that has mean µ = 69 and…

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: 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: The sizes of houses in Kenton County are normally distributed with a mean of 1369 square feet with a…

A: From the given information, the mean and standard deviation are 1,369 and 171.

Q: what is the mean and stanadard deviation of a uniform (6,15) random variable?

A:

Q: A company's mean salary is $65,000 with a standard deviation of $6,000. What is the probability that…

A: P(0<Z<2.5)=0.4938 P(0<Z<0.83)=0.2967

Q: Erla rolls six sided dice 15 times. What is the standard deviation of the number of sixes that…

A: Let p be the probability of six  p=1/6, n=15 Let X be the number of sixes in rolling of dice  Then…

Q: The daily withdrawals from an ATM located at a service station is normally distributed with a mean…

A: Given information: μ=5000, σ=800 x=6400 Use the formula for the normal distribution to determine the…

Q: The annual per capita consumption of bottled water was 33.3 gallons. Assume that the per capita…

A: Given information- Population mean, µ = 33.3 gallons Population standard deviation, σ = 12 gallons…

Q: A particular leg bone for dinosaur fossils have a mean length of 60 inches with standard deviation…

A: GivenMean(μ)=60standard deviation(σ)=2

Q: Cans of a popular soft drink are filled so that the actual amounts have a mean of 15.00 oz and a…

A:

Q: Jimmy has an unfair coin that he flips and it lands on heads 75% of the time. If he flips this coin…

A: Jimmy's unfair coin lands on head 75% of the time. Hence probability that, the coin will lands on…

Q: A population of 25-28 year-old males has a mean salary of $29,321 with a standard deviation of…

A: From the information, the mean salary of $29,321 with a standard deviation of $2,120.

Q: Statisticians determined that the mortgages of homeowners in a city is normally distributed with a…

A: Given distribution is normally distributed. Mean=250000 Standard deviation=50000 X~N(μ=250000,…

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

A: Given data,μ=328σ=92P(X>500)=?

Q: The mean monthly rent for a one-bedroom apartment without a doorman in Manhattan is $ 2,650 . Assume…

A: Given,Meanμ=2650Standard Deviation(σ)=500Sample Size(n)=100

Q: The number of plants pollinated by bees follows a normal distribution with a mean of 6,543 plants…

A: Given information Mean µ = 6543 plants Standard Deviation σ = 35 plants

Q: The grades in a standardized test have a mean of 78, a known standard deviation of 8, and are…

A: Given:

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: For a Poisson distribution of drivers with mean = 20, what is the probability that the number of…

A: Given that the mean =μ= λ=20So, the standard deviation=σ=λ=20We have to find P(μ-2σ≤X≤μ+2σ)

Q: A fast food restaurant during its rush time has a mean waiting time of 15 minutes with a standard…

A: The random variable waiting time follows normal distribution. We have to find the probability that…

Q: e Journal of Mid-West Management reviewed a study that showed startingmsalaries for accounting…

A: Given: Mean = 22510 Standard deviation = 2250

Q: The vacation leave time of employees in a firm in a month is normally with a mean of 100 hours and a…

A: Given data: Mean = 100 hours Standard deviation  = 20 hours To find: P(X > 180 ) =  ?

Q: The weight of trucks traveling on a particular section of Highway 2H has a population mean of 15.8…

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.