A manufacturer knows that their items have a lengths that are skewed right, with a mean of 11 inches, and standard deviation of 2.9 inches. If 36 items are chosen at random, what is the probability that their mean length is greater than 9.8 inches? (Round answer to four decimal places)

Q: Refer to the accompanying table, which describes results from groups of 8 births from 8 different…

A: From the provided information, x P(x) 0 0.006 1 0.034 2 0.106 3 0.221 4 0.273 5…

Q: The lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation…

A: (a)   Obtain the probability that pregnancy will last 307 days or longer. The probability that…

Q: On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of…

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

Q: The average production cost for major movies is 69 million dollars and the standard deviation is 18…

A: Mean = 69 Standard deviation = 18 Sample size = 39

Q: There are 20 crew members at a given university. You want to calculate the probability that their…

A: 1.Suppose the random variable x defines the BMI of the crew members.

Q: he average annual salary for government employees in Manila is Php 125,000. Assume that the…

A: Comments: As per our guidelines we are supposed to answer only three subparts. Kindly repost other…

Q: Would it be unusual for a data value to be more extreme than 4.76 standard deviations from the mean?…

A: In a normal distribution, data values that lie more than 4.76 standard deviations from the mean are…

Q: The partial pressure of oxygen, PaO2, is a measure of the amount of oxygen in th blood. Assume that…

A: From the given information, μ=38σ=9 Here, the readings follows normal distribution. A. The PaO2…

Q: 2. a. The Intelligence Quotient (IQ) of adults is approximately normally distributed with mean 100…

A: Given that

Q: On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of…

A: Let X denote the IQ of an individual and it follows normal distribution  The distribution of X is,…

Q: The number of ants per acre in the forest is normally distributed with mean 42,000 and standard…

A:

Q: 3. The heights of 18-year old men are normally distributed with mean 68 inches and standard…

A: "Since you have posted a question with multiple subparts we will provide solutions only to the first…

Q: The lifetime of lightbulbs has a mean of 1500 hours and a standard deviation of 175 hours. A sample…

A:

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Mean = 243 feet SD = 54 feet Find the value of z to get answers.

Q: A manufacturer knows that their items have a lengths that are skewed right, with a mean of 5.8…

A: GivenMean(μ)=5.8standard deviation(σ)=1.2sample size(n)=39

Q: A baseball team has 31 players, 8 of whom bat left-handed. Suppose that the manager of this team is…

A: A baseball team has 31 players, 8 of whom bat left-handed. Suppose that the manager of this team is…

Q: The average price of a college math textbook is $151 and the standard deviation is $26. Suppose that…

A: Given Data: Let X represent the random variable X~ Normal (151, 262)   n=42 Therefore, X¯~ Normal…

Q: The length of a fully grown hibiscus plants is normally distributed and has a mean of 35cm and a…

A: Given that,Mean(μ)=35standard deviation(σ)=4     The random variable  is length of fully grown…

Q: b. Find the probability that a randomly selected person's lQ is over 87. Round your answer to 4…

A:

Q: The weights of steers in a herd are distributed normally. The standard deviation is 200lbs. and the…

A: Let "X" be the weight of steers in a herd.

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

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

Q: Suppose a batch of metal shafts produced in a manufacturing company have a standard deviation of 2.4…

A: Given Information: Mean μ=209 Standard deviation σ=2.4 Sample size n=69

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Let, X=the distance of fly balls hit to the outfield (in baseball) Given that X is normally…

Q: The operation manager at a tire manufacturing company believes that the mean mileage of a tire is…

A: The question is about central limit theorem Given : Popl. mean mileage of a tire ( μ ) = 40097 miles…

Q: 500 freshmen at Arundel University took part in a math comprehension test. The scores were normally…

A: From the provided information, Mean (µ) = 75 Standard deviation (σ) = 7 Let X be a random variable…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: Assume that for the population of all unemployed individuals in Minnesota, the population mean…

A:

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Given information- Population mean, µ = 255 feet Population standard deviation, σ = 43 feet Let, X…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: The lengths of lumber a machine cuts are normally distributed with a mean of 88 inches and a…

A: Given,Mean μ = 88Standard deviation σ = 0.6

Q: The percent fo Coloradans that own a Subaru is 56%. If you were to take a random sample of size 70,…

A: We have given that,  Let X be the random variable from binomial distribution with probability (p) =…

Q: The scores on a test are normally distributed with an average (mean) of 72 and a standard deviation…

A: GIVEN DATA normal distributionμ = 72σ = 4

Q: You are told that the distribution of television weights is normal, with a mean, u of 12.6 kilograms…

A: Given,sample size(n)=8mean(μ)=12.6standard deviation(σ)=2.9

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

A:

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: GivenMean =253Standard deviation =45 a)Let X be distribution of distance of fly balls hit to…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: The amount of calories consumed by customers at the Chinese buffet is normally distributed with mean…

A: Given: X is the number of calories consumed. Population mean μ=2929 Population standard deviation…

Q: Assume that for the population of all unemployed individuals in Minnesota, the population mean…

A:

Q: use an ti84 device to solve.  The head of maintenance at XYZ Rent-A-Car believes that the mean…

A: Given: Mean μ=4959 Standard deviation σ=448 Sample size n=43

Q: Suppose 50% of the bumblebee bats are female. 25 bumblebee bats are selected at random and the…

A: Given that n =25 , p= 0.5

Q: A grocer finds that the cantaloupes in his store have weights with mean 0.7 kg and standard…

A: Given, Mean weight of cantaloupes is 700 gm. Standard deviation is 53 gm

Q: On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of…

A: Given information Mean µ = 107 Standard deviation σ = 17

Q: The mean number of words per minute (wpm) typed by a speed typist is 133 with a variance off 144…

A: Given that , = 133, 2 = 144 So , = 12, n = 90 Let  be the mean of sample. = 133  =  /n = 12/90=…

Q: c. If a random sample of thirty 18-year old men is randomly selected, what is the probability that…

A: X~μ=67,σ=3

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.