Find the value of the combination. 5C5 O A. 30 OB. 120 O C. 1 OD. 0.5

Q: 85 Fingerprint expertise. A study published in Psychological Science (August 2011) tested the…

A: From the given table:Probability that an expert correctly identifies the pair given a matched pair =…

Q: You may need to use the appropriate appendix table or technology to answer this question. A bank has…

A: For the distribution of the balance of customers in the bank, it is given that:The mean daily…

Q: -4 -3 -2 -2.67 -1 Submit 0 = Z 1 2 2.54 3 4 P(-2.67<z< 2.54): Question Help: VIDEO Message…

A: It is given that the standard normal random variable Z with mean 0 and standard deviation of 1.

Q: Given the control chart below, the obvious problem is Ⓒ WA www. *** neither a shift nor a trend in…

A: The control chart is essentially used as a graphical representation of the change in process over…

Q: If the alpha level is changed from .05 to .01, a. What happens to the boundaries for the critical…

A: The question is about errors.Introduction :Type I error :Reject H0 but in reality it is true.Type II…

Q: A personnel director interviewing 11 senior engineers for four job openings has scheduled six…

A: M=4N=11n=6

Q: Dr. Sloane is doing a study to test the association between alcohol consumption and the occurrence…

A: All the odds ratios (except for 0 drinks) are different from 1 and all the p-values are less than…

Q: A new small business wants to know if its current radio advertising is effective. The owners decide…

A:

Q: Find the y-intercept of the median-median line for the dataset. x 2,3,4,5,7,8,10,12,16,18,21 Y…

A: We have given the following tableXY2134465377861010121716201821213

Q: An urn holds 4 red, 3 blue, and 2 green marbles. Three marbles are selected, altogether, without…

A: The number of marbles in the urn is given as follows:Red=4Blue=3Green=2The variable Y is defined as:…

Q: Manufacture of a certain component requires three different machining operations. Machining time for…

A: Mean=65Standard deviation=2.8705

Q: The probability a student will contact the professor while taking an online class is 60%. Find the…

A: p = 60% = 0.60 and sample size n = 10It is given that the random variable X i.e, taking an online…

Q: Suppose that we wish to seat 12 people, 6 men and 6 women, in a row of 12 chairs. In how many ways…

A: We have given thatSeat of 12 people Number of men = 6Number of women = 6

Q: 41% of employees judge their peers by the cleanliness of their workspaces. You randomly select 8…

A: The question is about discrete probability distribution.Given :Population proportion of employees…

Q: What is the probability that Dakota finds 5 or fewer defective batteries?

A: Given, of all tablet computer batteries produced are defective. Let us  be the random variable…

Q: If a seed is planted, it has a 90% chance of growing into a healthy plant. If 12 seeds are planted,…

A: Given that if a seed is planted, the chance of growing into a healthy plant is 90%.

Q: LO6 2. A set of n = 5 pairs of X and Y scores produces a Pearson correlation of r = 0.10. The X…

A: r(X,Y)=0.10

Q: Let X1 and X2 be independent random variables; X1 ∼ Poisson(2); X2 ∼ Poisson(3). Compute E(X1|X1 +X2…

A: X1 ~Posi(2) and X2 ~Posi(3)X1  and X2  are independent

Q: 34​% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly…

A: Probability of adults favour the use of unmanned drones by police agencies(p)=0.34sample…

Q: 9.6 In a certain population the random variable Y has variance equal to 490. Two independent random…

A: Let's denote the first sample mean as and the second sample mean as , and the samples are…

Q: of 14 women with a mean height less than 66.2 ​inches?   enter your response here ​(Round to four…

A: It is given that Mean, μ = 64.1Std. deviation, σ = 2.6

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

Q: 22 01:18:03 A project's coefficient of variation is 0.45. The project has a positive coefficient of…

A: CV=0.45 , standard deviations=σ=? Sample mean= X¯=9000

Q: Web crawlers need to estimate the frequency of changes to Web sites to maintain a current index for…

A: From the given information  assume that the changes to a Web site follow a Poisson process with a…

Q: Determine the confidence level. Determine the confidence level for confidence interval shown in the…

A: It is given that α/2 = 0.10

Q: The 147 heights of males from a data set of body measurements vary from a low of 158.0 cm to a high…

A: smallest observation ( minimum ) = 158 cm largest observation ( maximum ) = 195.1 cmwant to estimate…

Q: (a) x² 0.05, 5 X (b) x²0.05, 25 (c) (d) (e) x²0.01, 25 x²0.005, 25 2 X 0.95, 25 (f) X²0.995, 25

A: The chi-square areas and degrees of freedom were given to find the critical values.

Q: Given a set of six data points x_1=1.6, x_2=3.3, x_3=4, x_4=1, x_5=2.8, and x_6=1.9. Find the Parzen…

A: The formula for finding the Parzen probability density function using the Gaussian window function…

Q: Find the regression equation for for y as a function of x. y. X 33.3 26.6 35.3 43.6 21.6 33.9 10.5…

A: XY33.340.126.65035.348.143.635.421.647.933.948.110.558.328.543.645.238.924.943.943.734.628.748.4

Q: It is equally probable that the pointer on the spinner shown will land on any one of the eight…

A: Here it is given that-A circle spinner divided into 8 equal regions numbered 1 through 8. It is…

Q: Is there a significant difference between the STEM students and ABM students in terms of their…

A: After entering the data as given in Excel: Go to Data&gt;Data Analysis&gt;Descriptive…

Q: An independent consumer group published its finding that the lifetimes of electric bulbs…

A: Mean()=660Standard deviation()=122.5

Q: Which of the following time-series forecasting methods would not be used to forecast a time series…

A: Dummy Variable Regression:Dummy variable regression, also known as categorical regression, is used…

Q: The probability of no correct answers is (Round to three decimal places as needed.)

A:

Q: The game of Scrabble has 100 tiles. The diagram shows the number of tiles for each letter and the…

A: Here we have a total of 26 alphabets.So each has equal an chance to select.

Q: (c) Assuming the normal model can be used, determine P(x 2 64.9).

A: The mean is 63, the standard deviation is 16 and the sample size is 12.

Q: Find the variance and standard deviation. Class Limits Frequency (f) 81-90 8 91-100 2 101-110 6…

A: ClassFrequency81 - 90891 - 1002101 - 1106111 - 1205121 - 1307

Q: Use normal approximation to approximate the probability that the number 1 appears at least 180…

A: A fair die is independently tossed 1000 times. n = 1000Probability calculated using given link of…

Q: A population of red-bellied snakes is known to have a ratio of grey color morph to red color morph…

A:

Q: For a fishing trip, Shen is going to choose lures to put in his tackle box. He has 7 lures that are…

A: It is given that No. of Crankbaits = 7No. of Buzzbaits = 6

Q: A manufacturing machine has a 10% defect rate. If 9 items are chosen at random, what is the…

A: It is given that P( success ), p = 10% = 0.10Sample size, n = 9

Q: After the political ad campaign, pollsters check the mayor's positives. They test the hypothesis…

A: After the political ad campaign, To study the negative after the political ad campaign.The p-value…

Q: Use the technology display, which results from the head injury measurements from car crash dummies…

A: α=0.10

Q: Assume the Poisson distribution applies. Use the given mean to find the indicated probability.…

A: From the information, given thatLet X denotes the random variable which follows Poisson distribution…

Q: According to a leasing firm's reports, the mean number of miles driven annually in its leased cars…

A: Mean()=12107standard deviation()=2640sample size(n)=90significance level()=0.01

Q: ?

A: n=12,x¯=692,s=23,μ=700Note: According to bartelby question answer guidelines an expert can solve…

Q: Suppose the probability that Jimmy gets a hit on a given at-bat is 1⁄4. Let X denote the number of…

A: In this case, each of the at-bats has the only option of being "a hit" (defined as success) or "not…

Q: a. What is the standard error of the mean, o? 1.90 b. At 95% confidence, what is the margin of…

A: It is given that Sample mean = 20Population standard deviation = 6Sample size = 20

Q: The median incomes of females in a random sample of 30 states of the United States, including the…

A: The given information is about the median income in 2013 of 30 states.Let X denote the median…

Q: In screening for a certain disease, the probability that a healthy person wrongly gets a positive…

A: H= Healthy D= DiseaseP= PositiveN=NegativeP(P|H)=0.05, P(N|D)=0.002 P(D)=1%