Calculate the 80th percentile of the data shown X 3.3 3.5 8.7 13 17.7 23.6 24.5 Calculator > Next Question

Q: Assume X has a standard normal distribution (μ = 0, 0 = 1). Find P(X ≤ 1.2) and P(X > -0.2). (Give…

A: X~N(μ=0 ,σ=1)

Q: Suppose samples of six different brands of diet or imitation margarine were analyzed to determine…

A: Consider the given dataset: Imperial parkay Blue Bonnet Chiffon Mazola Fleishmann's 14.1 12.8…

Q: The following table shows the average life expectancy, in years, of a child born in the given year.†…

A: The predictor variable is t, the number of years since 2015, that is, t = Year – 2015. The response…

Q: Is there a significant difference between the sample mean of scores and the population mean?  Carry…

A: Population mean = 18, sample mean =21.2 sample SD= 26.4 n= 10 and alpha = 0.05

Q: CONDITIONAL AND MARGINAL PROBABILITY - Statistics and probability 1) Suppose that of all…

A: The event A is to include an optional memory card The event B is to include an extra battery The…

Q: It is argued that more time spent studying will result in improved course marks among ECO242…

A: a. The coefficient of determination, denoted as r2, represents the proportion of the total sum of…

Q: A standard McDonalds hamburger patty contains ground beef, ketchup, and other ingredients including…

A: μ = 213 σ = 4

Q: Andrew thinks that people living in a rural environment have a healthier lifestyle than other…

A: Andrew thinks that people living in a rural environment have a healthier lifestyle than other…

Q: ) what is the probability that exactly 3 of those selected are laser printers (so that the other 3…

A: Total number of printers = 25 number of laser printers = 10 number of inkjet printer=15 let X be the…

Q: The cumulative distribution function of the continuous uniform distribution between con- stants a…

A: a) The probability density function f(x) is the derivative of the cumulative distribution function…

Q: Find z such that 22% of the area under the standard normal curve lies to the right of z. (Round your…

A: 22% of the area under the standard normal curve lies to the right of z

Q: A local fast-food restaurant serves buffalo wings. The restaurant’s managers notice that they…

A: The given data,   Number Sold Percentage Spicy Garlic 100 20% Classic Medium 146 30%…

Q: Solve for the BIAS, MAD, MAPE and MSE of the following data:   Period Actual Sales 1 21 2 25…

A: Given time series data of the actual sales is: Period Actual Sales 1 21 2 25 3 28 4 31…

Q: Charles Darwin recorded the heights, in inches, of a strange (see part B) species of shrubs that he…

A:

Q: The lifetime of a certain brand of electric light bulb is known to have a standard deviation of 52…

A: The sample size: n=100 The sample mean: x¯=482 hours The population standard deviation: σ=52 hours…

Q: reate a probability distribution table for your data. Data: 0.20,  0.20,  0.46,  0.46,  2.10,…

A: given x 0.2 0.2 0.46 0.46 2.1 2.1 5.5 11.8 12.2 12.2 13.22 14.65 16.07…

Q: Heavy football players: Following are the weights, in pounds, for offensive and defensive linemen on…

A: Offanse : 328,268,326,312,300,253,317,302,328,304,309,315 Defense :…

Q: A, B, and Chire simultaneously 3, the probability that B hits the target is, and 2, at à target. The…

A: A B and C fire simultaneously at a target. the probability that A hits that target is1/2, the…

Q: Q9. A process has a probability of defectives of np = 8. What is the probability of finding exactly…

A:

Q: Compute the value of the test statistic. Round your answer to two decimal places.

A: Sample size n = 414 X = 16 = no of women reported now being married Sample proportion = X/n = 16/414…

Q: There are six sisters and a family. Their ages are 7 years, 10 years, 15 years, 15 years, 20 years,…

A: Assume that the random variable x defines the ages of the sisters in the family.

Q: A company that produces top-of-the-line batteries claims that its batteries are good, on average,…

A: According to the given information in this question We need to find the critical value

Q: Super Slim, a weight loss society, is offering a weight reduction programme that they advertise will…

A: Super Slim, a weight loss society, is offering a weight reduction program that they advertise will…

Q: What observations can you draw about the square footage and pricing structure for houses in Midtown?

A: Here are some observations about the square footage and pricing structure for houses in Midtown:…

Q: Honors a. Find the volume of the pyramid. b. Explain how the volume of the pyramid would change if…

A: a. The volume of the pyramid. [ height = 24, Base =20]b. Explain how the volume of the pyramid would…

Q: Where do you live? The U.S. Census Bureau computed the proportion of U.S. residents who lived in…

A: It is needed to check whether the proportions of people living in the various regions changed…

Q: After her final exam this semester, Sylvia must drive from her school in Philadelphia to her home in…

A: Prior to the trip, Sylvia's wealth is Y = $400.00. Sylvia's utility of wealth function is U(Y) =…

Q: 1. You are to model the daytime temperature of the Mojave desert during the summer time.…

A: The normal distribution uses the z score to find the probability value. It is a type of continuous…

Q: All 6 members of a family work. Their hourly wages (in dollars) are the following. 37, 28, 16, 24,…

A: 37,28,16,24,10,11

Q: Consider testing the null hypothesis: Ho: Ho 2 20. You obtain a sample mean of 16.4 and a sample…

A: To determine the p-value for this hypothesis test, we need to calculate the test statistic first.…

Q: Given that x is a normal variable with mean μ = 44 and standard deviation = 6.6, find the following…

A: Mean=44 Standard deviations=6.6

Q: Suppose that the annual rate of return for a common biotechnology stock is normally distributed with…

A: Answer  Mean =7 standard deviation =5

Q: Find the two-sided p-value for the given set of hypotheses and test statistic. Also determine if the…

A: Significance level (α) = 0.05  We have to find the p-value for Two-tailed test

Q: The equation of the regression line y=6.41x + blank  there is minus on the answer here that…

A: The data of x and y variables are shown below Note: The calculation of regression shown in the…

Q: Claim: The mean systolic blood pressure of all healthy adults is less than than 125 mm Hg. Sample…

A: sample size (n) = 266sample mean : x¯ = 124.47wqmple sd : s = 15.29claim : μ<125test statistic =…

Q: Calculate the Interquartile range (IQR) of the following: Minimum = 11 First quartile = 15 Median…

A: Minimum = 11 First quartile = 15 Median = 21 Third quartile = 25 Maximum = 33

Q: 30% of students take Physics 101 and 20% take Math256. Of the students who take Physics 101, 25%…

A: PStudents takes physics101=0.30PStudents take Math256=0.20PStudent takes Math 146  GIVEN  he takes…

Q: Suppose that the annual rate of return for a common biotechnology stock is normally distributed with…

A: Mean=7 Standard deviation=5

Q: You are to model the daytime temperature of the Mojave desert during the summer time. Temperatures…

A: The normal distribution has two parameters and their parameters are mean and variance. It is also…

Q: According to the University of Nevada Center for Logistics Management, 6% of all merchandise sold in…

A: sample size(n)=80 No. of items returned(x)=12 significance level(α)=1%=0.01 sample…

Q: What is the probability that X is equal to 3? Round to the second decimal place, 0.x

A: The probability that an online ad is clicked by a person, p=0.22. The defined variable, X is the…

Q: ENGAGEMENT: X P(X) 3 0.05 4 0.10 5 0.20 6 0.25 7 0.15 8 9 10 0.07 0.10 0.08 Solve the following…

A: Probability distribution table.  The sum of all probability is equal 1. NOTE:- According to bartleby…

Q: Ten percent of the engines manufactured on an assembly line are defective. Suppose engines are…

A: given that 10% of the engines are defective and 90% of the engines are non-defective given that…

Q: The national average for SAT mathematics scores is 500 with a standard deviation of 110. The Board…

A: Mean μ0=500 Population standard deviation σ=110 Sample size n=100 Sample mean x¯=464

Q: Use RStudio to compute and plot the difference in means. Fitness score means should be represented…

A: To compute and plot the difference in means, we can use the ggplot2 package in RStudio. Here's how…

Q: A medical study is conducted to determine which migraine treatment, A or B, provides faster relief.…

A: The differences are: -9, -5, -6, -6, -7, -4, -2, -6, -5, -10.

Q: 9. Strength of concrete: The compressive strength, in kilopascals, was measured for concrete blocks…

A: Consider the following calculations: Batch After 6 days After 3 days Difference (After 6…

Q: The population variance is The population standard deviation is

A: The population consists of 6 observations. Population size (N) = 6

Q: Lunch break: In a recent survey of 655 working Americans ages 25-34, the average weekly amount spent…

A: Population mean μ =43.25 Population standard deviation =2.82

Q: at the random variable ttt hhh hth hht tht htt thh tth Value of X -4 -4 -8-8-8-8-8-8 Outcome…

A: The experiment is tossing a coin thrice. The possible outcomes are H and T. Let N = the number of…