5. A set of flags will be flown along the front of a used car lot. Four are red, three are green, three are blue, and the remaining five are all distinct colours different from those mentioned. Which is the appropriate method of calculating the number of arrangements of the flags? a. b. 15! 4!3!3!5! 10! 4!3!3! C. d. 10!5! 4!3!3! 15! 4!3!3!

Q: In the first quarter of 2017, a group of mutual funds had a mean return of 6.7% and a standard…

A: X~N( μ , ?)   μ=6.7 , ?=2.3   Z-score =( x - μ )/?   NOTE:- According to bartleby guidelines expert…

Q: Suppose you are given the following five pairs of scores: X Y 4 2 1 3 4 6 10 у 4 2 9 Create a…

A: Coefficient correlation : The Pearson correlation coefficient is a measure of linear correlation…

Q: ty-eight percent of U.S. employees who are late for work blame oversleeping. You randomly select…

A: Number of trials n=4 Success of probability p =0.28 q=1-p=0.72 The pmf of Binomial distribution is:…

Q: A survey of attendance records shows that high school seniors average 10.5 sick days per school year…

A: Let, x denotes sick days per school year of high school seniors. It is given that- x~N10.5,5.25

Q: A graduate student believes that people consider faces with more contrast between lip color and skin…

A: Believe : People consider faces with more contrast between lip colour and skin tone as more famine :…

Q: The number of potholes in any given 1 mile stretch of freeway pavement in Pennsylvania has a…

A: Given  mean (μ)=47 standard deviation (σ)=3 Using the empirical rule, what is the approximate…

Q: A random sample of 171 marketing students was asked to rate, on a scale from 1 (not important) to 5…

A: From the provided information, Sample size (n) = 171 Sample mean (x̄) = 3.07 Sample standard…

Q: A better drug? In a pilot study, a company's new cholesterol-reducing drug outperforms the currently…

A: Sample 1(current drug): n1=14x¯1=54.1s1=11.93 Sample 2(new drug): n2=15x¯2=68.7s2=13.3

Q: Let X₁ ~ Bin(n₁,p) and X₂ ~ Bin(n2, p). Find the distribution function of Y = X₁ + X₂. Assume X₁ L…

A: X1~Binn1,p, X2~Binn2,p, Y=X1+X2

Q: Ocular motor measurements are designed to assess the amount of contraction in the muscles around the…

A: The data for the BookX, ComputerY, and Differencezi=X-Y was given.

Q: In a research study, students were given pedometers for a 12-week period, and asked to record the…

A: Given the average number of steps per day during weeks 1, 6, and 12 are   Number of steps Total…

Q: Mrs. Nash is coordinating transportation for a school field trip. She needs to determine b, the…

A: Total number of students = 200 Number of students each bus can take = 46

Q: In a program designed to help patients stop smoking, 181 patients were given sustained care, and…

A:

Q: Suppose the fuel efficiency, in miles per gallon, of a certain model of car is normally distributed.…

A:

Q: the number of thunderstorms in indiana in a calendar month is normally distributed with a mean of…

A: Given,sample size(n)=10mean(μ)=75standard deviation(σ)=20

Q: Suppose the lengths of human pregnancies are normally distributed with μ = 266 days and o=16 days.…

A: Note: I will answer part b as some information is missing in the part a question, please submit…

Q: Listed in the accompanying data table are birth weights (g) from a sample of 26 births. When…

A: To apply the Wilcoxon rank sum test, we need to first combine the two groups and rank the values…

Q: Paying for college College financial aid offices ex- pect students to use summer earnings to help…

A: Given that

Q: Brad J. Bushman, a psychologist at Ohio State University, studied the impact of watching violence on…

A: The sum of squares between is 8,662.34 and total sum of squares is 34,700.45. That is,…

Q: In Exercises 33 to 30, determine whether or not the conditions for using two-sample t procedures are…

A: The conditions or assumption required for the two sample t test are.  1) Both the samples are…

Q: Consider a random walk performed by a drunken person with equal step 1 . Calculate mean and variance…

A: A random walk was performed by a drunken person with equal step 1.

Q: The total number of thousands of tons of coal produced per year over a 10-year period for a certain…

A: Given

Q: The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 36…

A: Answer: From the given data, mean (μ) = 36 Standard deviation(σ) = 13.9

Q: Let X and Y be two possible events with P(X) = 0.3 and P(Y) = 0.20 respectively. Assume that events…

A: The two probability values are P(X) =0.3 and P(Y)=0.20

Q: A certain brand of candies have a mean weight of 0.8617 g and a standard deviation of 0.0511. A…

A: Given the weight of the candies are normally distributed. x~N(μ,σ) μ=0.8617σ=0.0511

Q: Let x be a particular value of x². Find the value of such that the following is true. a. P(x² >x) =…

A: As per our guidelines we are suppose to answer only three subparts kindly post theremaining subparts…

Q: A marketing researcher wants to estimate the mean amount spent ($) on a certain retail website by…

A: The random sample of size, n=99 The mean value is, x=1600 The standard deviation, s=150

Q: A survey question for a sample of 150 individuals yielded 75 Yes responses, 55 No responses, and 20…

A: The random sample size is 150. The number of yes responses is 75. The number of no responses is 55.…

Q: recent survey of Psychology majors finds that the more “real world” experience students gained, the…

A: A recent survey of Psychology majors finds that the more “real world” experience students gained,…

Q: same for machines produced by three manufacturers, the Jacobs Chemical Company obtained the…

A: *a Using the given data, we can perform a one-way ANOVA test to determine if there is a significant…

Q: You wish to test the following claim ( H a ) at a significance level of  α = 0.02 . For the context…

A: The data is as follows: μd=μ2-μ1 H0: μd=0 vs Ha: μd>0 α=0.02

Q: Car manufacturers produced a variety of classic cars that continue to increase in value. Suppose the…

A: The given problem concerns Car manufacturers who produced a variety of classic cars that continue to…

Q: The following table presents the probability distribution of the number of vacations X taken last…

A: From the provided information, The table is as follow: x 0 1 2 3 4 P(x) 0.15 0.61 0.11 0.1 0.03

Q: Adsorption. Six identical column adsorption units were fed identical influent for 20 weeks, with the…

A: Adsorption is the process of attraction of atoms, ions of molecules onto the surface. When…

Q: An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots…

A: normal distribution μ = 145σ = 27.5n = 39P(140<X¯<191) = ?

Q: Data Table Index, i 1 2 3 4 5 6 7 8 Observed Value 39 45 48 54 55 57 58 62 Print f₁ 0.08 0.20 0.32…

A: Given data :  Sample size ( n=8 )  (Given critical value in table  for n = 8) = 0.906  Mean =…

Q: A student organization surveyed both current students and recent graduates to obtain information on…

A: The data is given as- Professor Current students  Recent graduates  1 4 6 2 6 8 3 8 5 4…

Q: s returned. Use a 0.01 significance level to test the claim that the return rate is less than 20%.…

A: Given that  Sample size n=6970 Favorable cases x =1285 Sample proportion p^=x/n  =1288/6968 =0.1848

Q: The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.30…

A: Answer: From the given data, Let X represent the diameters of bolts produced by a certain machine X…

Q: Jackie Andrade, a psychology professor at the University of Plymouth, conducted a study regarding…

A: SSbetween = 8662.34 SSwithin = 26038.11 SStotal  = 34700.44

Q: 5. Prove or disprove: If we roll 2d6 then the event that the first die is even is independent from…

A: To prove or disprove the statement, we need to show that the probability of the sum being 11 is the…

Q: Stewart Fleishman specializes in the psychiatric aspects of symptom management in cancer patients.…

A: Patient Depression (x) Pain (Y) A 1 5 B 3 0.75 C 5 7 D 7 2.75 E 9 9

Q: A national study conducted by a market research firm, evaluated the top technology companies and…

A: Reputation:X Stock purchase:Y 1 3 2 1 3 4 4 2 5 9 6 5 7 10 8 6 9 7 10 8

Q: Probability Puzzle 2 Power Ball is a multi-state lottery with a very large payoff for winning.…

A: For a defined probability of events PE, which is based on the ratio of no. of favorable outcomes to…

Q: Correlation and regression are two closely related topics in statistics. For each of the following…

A: The objective is to define if correlation, regression, both correlation and regression, or none is…

Q: Consider the following time series data. Month 1 2 3 21 10 17 9 Value 4 What is the forecast for…

A: Month  :  {1,2,3,4,5,6,7} Value :  {21,10,17,9,16,20,12}  Using most recent data :  Forcast = 12…

Q: 2. Based on data collected by the National Center for Health Statistics, an estimate of the…

A: Answer: From the given data, The estimate of percentage of adults who have at some point in their…

Q: 11. Determine if the following statements are true or false. If false, explain why. a. A correlation…

A: Here, we have -0.90 and 0.50 two correlation coefficients.

Q: 12) Selecting which seven players will be in the batting order on a 11 person team.

A: Permutation: Permutation of the objects means the arrangement of the object in a specific order.…

Q: what will the sketch of the Bell curve showing the rejection region(s) and the critical value look…

A: Given critical value tcrit = tα,n−1 = t0.05,38−1 = 1.687 The test statistic was found to be t =…