Calculate the 90th percentile of the data shown x 7.9 9.7 18.9 19.3 21.9 26.1 27.9 28.8 29.1 29.4

Q: In southern California, a growing number of persons pursuing a teaching credential are choosing paid…

A:

Q: ! Approximately what is the probability that a chip has at least one defect? 0.054 0.268 0.330 0.670…

A: According to the Bartleby guidelines experts solve only one question and maximum three subparts of…

Q: Marty Rowatti recently assumed the position of director of the YMCA of South Jersey. He would like…

A: n=40, X¯=8.32=sample mean and sample standard deviations=s=3.07

Q: The owner of the West End Kwick Fill Gas Station wishes to determine the proportion of customers who…

A: The formula of the confidence interval is,

Q: Out of 250 applicants for a job, 140 are female and 30 are female and have a graduate degree. Step 2…

A: The formula of the conditional probability is defined as follows,Let A and B be any two events such…

Q: The variable "X" represents the age of students in a junior-level class. 10 Answer Probability…

A: X~ N(0,1)Mean=0, standard deviations=1

Q: A lottery has a grand prize of $300,000, four runner-up prizes of $37,500 each, seven third-place…

A: The distribution of the prize amount is given as follows:Prize amount (in $)Number of prizes (or…

Q: Let X denote the amount of space occupied by an article placed in a 1-ft³ packing container. The pdf…

A: The pdf of X is given as:f(x)=90* x2(1-x)

Q: Using Microsoft Excel at 0.05 level of significance, calculate the correlation coefficient to…

A: Here the dependent variable (y) is the percentage of body fat lost.The independent variable (x) is…

Q: Using the image attached please assist with the following: Also please show all working so I can…

A: The data is defined below as follows:  From the information, given that

Q: In determining automobile mileage ratings, it was found that the mpg (X) for a certain model is…

A: For the given distribution of the milage (in mpg), it is given that:The mean, μ=32.The standard…

Q: Ms. Maria Wilson is considering running for mayor of the town of Bear Gulch, Montana. Before…

A: sample size(n)=400x=300confidence level=99%

Q: A particular concentration of a chemical found in polluted water has been found to be lethal to 20%…

A:

Q: The Quality Control Department employs five technicians during the day shift. Listed below is the…

A: The question is about sampling distribution and combination.Given :No. of technicians ( N ) = 5To…

Q: The mean life span of an African savanna elephant in the wild used to be 60 years. A recent sample…

A: The hypothesized mean life span (in years) of an elephant is gievn as, μ0=60.The sampled number of…

Q: o raise money for the local Veterans Affairs hospital, your friend organizes a fundraiser, inviting…

A: To create a probability distribution for X, we need to calculate the probabilities of winning $23,…

Q: A postmix beverage machine is adjusted to release a certain amount of syrup into a chamber where it…

A:

Q: A certain statistics instructor participates in triathlons. The accompanying table lists times​ (in…

A: The claim is that it takes the same time to ride each of the miles.

Q: Several years ago, the mean height of women 20 years of age or older was 63.7 inches. Suppose that a…

A: Population mean sample size n= 45sample mean = 64.1

Q: A student plans to play basketball. Let event B = the student plays basketball. Let event S= it is…

A: From the provided information,

Q: 2. The Saudi female population height mean is 156 with standard deviation of 6. What's the…

A: Let  be the height of female. and        be the height of male.For female:For male:

Q: Smith is a weld inspector at a shipyard. He knows from keeping track of good and substandard welds…

A: smith checks 300 of the 7500 welds completed that shift.suppose x be the number of substandard…

Q: pes Stay Bright nail polish remain on fingernails longer than Acme nail polish? You design an…

A: Stay Bright nail polish remains on fingernails longer than Acme nail polishA random sample of people…

Q: 7.2.3 WP VS A synthetic fiber used in manufacturing carpet has tensile strength that is normally…

A: From the provided information,

Q: Use the scatter diagrams shown, labeled a through f to solve the problem. In which scatter diagram…

A: We have given scatter diagrama with r = 0.01

Q: Dillon DeMarco is considering opening a small Italian bakery in the nearby mall, close to the…

A: The question is about decision theory.Given :To find :EMV for each alternative.

Q: On a scale of 0 to 10, the student rated her enjoyment of stats as an 8. The average rating among…

A: To determine what percentage of college students enjoy statistics more and what percentage enjoy…

Q: urant needs a staff of 3 waiters and 2 chefs to be properly staffed. The joint probability model for…

A: Let X be the number of waiters and Y be the number of chefs.Given that

Q: 2. Which choice best describes the value of the estimate of 3₁? (a) b₁ ≤ -3 (b) -3 3

A:

Q: Which of the following is a valid probability density function? Of(x) = 2 for 0<x<1, f(x) = 0…

A: Which of the following is a valid probability density function?f(x)=2 for 0&lt; x&lt;1 , f(x)=0…

Q: An appliance dealer sells three different models of upright freezers having 13.5. 15.9, and 19.1…

A: From the information, given thatLet X denotes the amount of storage space purchased by customer to…

Q: Calculate np0(1-p0)  If this value is >= 10 then when conducting a hypothesis test in Minitab use…

A: Let the hypothesis to be tested beSample proportion is &amp;nbsp;Given n implies n . Let us take…

Q: Easy 2.6 3.9 3.4 1.2 2.1 1.2 1.8 2.2 Typical 5.6 4.5 3.7 2 3.3 4.6 3.1 2 Diff 9 5.6 3.5 7.8 6.4 7.5…

A: ANOVA definition In order to assess whether there are statistically significant differences between…

Q: Suppose that the life of an inexpensive wrist watch (how long it will run) has an exponential…

A: Suppose that the life of an inexpensive wrist watch (how long it will run) has an exponential…

Q: To make the calculations simpler, before computing the regression line, subtract 2000 from each of…

A: YearConsuptionxiyiLinear ModelSquared…

Q: You perform the following hypothesis tost: Ho: EX=4, HA: EX] #4 test size=a=0.2 test statistic: ===…

A: Based on available instances, PDF of z is given by the following graph:

Q: Let X be a normal random variable with μ = 60. If P(X ≤ 67.5)~ 0.6915, then what is o? O 1 O 1.5 02…

A: It is given that Mean, μ = 60P( X ≤ 67.5 ) = 0.6915Note: According to Bartleby expert guidelines,…

Q: Suppose n> 1. Let X₁, X₂, mean and variance o². Let X₁ = (a) Var(4X₁-3X₂) DLX21 Xn be independently…

A: Let  are iid with mean  and variance .Let

Q: 1. This is about estimating the variance of a normal distribution. Recall that the pdf of a normal…

A: Xi ~N(μ,σ2) ; i=1,2,...,n

Q: 8) A random sample of 205 college students were asked if they believed that places could be haunted,…

A: From the provided information,Confidence level = 99%

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll,…

A: n=935, X=548

Q: A fair six-sided die is rolled. Let event A = the outcome is less that 4. Let event B= the outcome…

A:

Q: A sample of 36 observations is selected from a normal population. The sample mean is 49, and the…

A: sample size(n)=36Mean()=49standard deviation()=5significance level()=0.05The null and alternative…

Q: • An estimate of the population mean is 15.15 • The standard error is The distribution is normal…

A: Let  be the population mean amount of money football fans spend on food at a single game.Given…

Q: Dylan wants to determine a 90 percent confidence interval for the true proportion of high school…

A: The random variable is who attend their home basket ball games.We have to find the sample size.This…

Q: Twenty-five wooden beams were ordered for a construction project. The sample mean and the sample…

A: The confidence interval is . The sample size is 25 and the sample standard deviation is 8.

Q: Using the image attached, please assist with the following showing all working.  a.  Would the…

A: Given the table shows the number of pages printed of the last six books and the cost of the items…

Q: 1.13. Consider the Markov chain with transition matrix: 1 2 3 4 1 0 0 0.1 0.9 2 0 0 0.6 0.4 3 0.8…

A:

Q: Delta Airlines' flights from Boston to Dallas are on time 60 % of the time. Suppose 13 flights are…

A:

Q: The following data are the joint temperatures of the O-rings (°F) for each test firing or actual…

A: 617081767975765831844661408367456670698058686067727370576370785267536775