The doors on some airplanes are made to be 72 inches high.  Given that the heights of men are normally distributed with a mean of 69.4 in and a standard deviation of 1.5 in then: If 10 men are passengers on the plane what is the probability that their mean height is less than 72 in.

Q: A manufacturer knows that their items have a lengths that are skewed right, with a mean of 19.4…

A: Solution :  Mean = 19.4 Standard deviation = 2.8 Sample size = 36 P(xbar > 18) z-statistic: (xbar…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 12 inches,…

A: Normal distribution is a continuous distribution that has many real-life applications. A normal…

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

A: We have to find given probability..

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: For a normally distributed population with a mean of 35 and a standard deviation of 7.5, if a sample…

A: From the given information,   Mean  = 35 Standard deviation = 7.5   The objective is to find the…

Q: (a) Find the percentage of women who should have heights of 63.5 inches or less.    (b) In a…

A:

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

A: Given data Mean µ = 22 feet Standard Deviation σ =4 Feet

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 397…

A:

Q: According to the Nielsen Company, the mean number of TV sets in a US household in 2013 was 2.24.…

A:

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 546…

A: Concept of sampling distribution of sample mean: Let a particular characteristic of a population is…

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 435…

A:

Q: The average number of moves a person makes in his or her lifetime is 12. If the standard deviation…

A: From the provided information, Mean (µ) = 12 Standard deviation (σ) = 3.2 Sample size (n) = 36 a)…

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: The average weight of an NFL player is 245.7 pounds with a standard deviation of 34.5 pounds, but…

A: From the provided information, Mean (µ) = 245.7 Standard deviation (σ) = 34.5

Q: A small aircraft carries 20 passengers and has doors with a height of 72 in. Heights of men are…

A:

Q: The height of the dogs in a pet shop is normally distributed with the average height of 25 cm and…

A:

Q: The height of the dogs in a pet shop is normally distributed with the average height of 25 cm and…

A:

Q: The doors on some airplanes are made to be 72 inches high.  Given that the heights of men are…

A:

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 361…

A: Let X denote the weights of cows and it follows normal distribution with a mean of μ=361 pounds and…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 18.8…

A: The probability that it is less than 18.8 inches long when one item chosen at random is obtained…

Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5, if a sample…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 19.3 inches…

A: It is given that the mean is 19.3 and the standard deviation is 2.

Q: The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard…

A: Given Data Population Mean,μ = 100.0 Population Standard Deviation,σ = 12.0

Q: At a customer service call center for a large company, the number of calls received per hour is…

A: At a customer service call center for a large company, the number of calls received per hour is…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 15 inches,…

A: Mean = 15 Standard deviation = 1

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 501…

A:

Q: The diameter of a brand of tennis balls is approximately normally distributed, with a mean of 2.63…

A: Given that, μ=2.63,σ=0.03,n=9 The mean of sampling distribution of sample mean is, (a) The standard…

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 414…

A:

Q: On the distant planet Cowabunga, the weights of cows have a normal distribution with a mean of 605…

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: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 424…

A:

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: For a normally distributed population with a mean of 35 and a standard deviation of 7.5, if a sample…

A: Solution: We are given:

Q: For a certain type of computers, the length of time between charges of the battery is normally…

A: According to the provided information, Mean (µ) = 50 hour Standard deviation (σ) = 15 hour

Q: According to the Niesien Company the mean number of TV sets in a US household in 2013 was 2.24…

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 price of a kilogram of ham is 1,300. Assume that the standard deviation is 150. If a…

A: given  average =μ= 1300 standard deviation=σ= 150 random sample= n = 30

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 11 inches,…

A: Given :  sample mean = 11             standard deviation of samples=1.722=0.3624412178…

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 407…

A: Let X denote the weights of cows have a normal distribution with a mean of 407 pounds and a standard…

Q: At a certain beer bottling plant, the amount of beer that is put in a bottle is known to be…

A:

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 526…

A:

Q: The diameter of the dot produced by a printer is normally distributed with a mean diameter of 0.002…

A: Given, μ=0.002σ=0.0004 X be a random variable that belongs the diameter of the dot produced by…

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 530…

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: Assume women’s heights are normally distributed with a mean of 63.6 inches and a standard deviation…

A:

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 542…

A: Let X be the weight of cows which follows normal distribution with mean 542 pounds and standard…

Q: The weights of newborn babies are distributed normally, with a mean of approximately 115 oz and a…

A:

Q: A book publisher claims that its mean book length is 250 pages with a standard deviation of 70…

A:

Q: On the distant planet Cowabunga, the weights of cows have a normal distribution with a mean of 538…

A:

Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5, if a sample…

A: Given dataMean = 35Standard deviation = 7.5Sample size (n) = 40probability that the sample mean will…

Q: On the distant planet Cowabunga, the weights of cows have a normal distribution with a mean of 605…

A: The provided information are:

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.