In a race, the odd favour of cars P,Q,R,S are 1:3, 1:4, 1:5 and 1:6 respectively. Find the probability that one of them wins the race.

Q: A data set about speed dating includes​ "like" ratings of male dates made by the female dates. The…

A: Given: n=186 X=5.82s=2.15μ=6.00α=0.05

Q: The mean and variance of a binomial variate are 4 and 3 find P[X ≥ 1]. respectively,

A: Solution-: Given: Mean=E(X)=4      and Variance=Var(X)=4/3 We want to find P[X≥1]=?

Q: The least-squares regression equation is y = 745.9x+12,727 where y is the median income and x is the…

A: The given regression equation is y^=745.9x+12727.

Q: An experimenter expects an effect to come out in a certain direction. Is this sufficient basis for…

A: Given that An experimenter expects an effect to come out in a certain direction. Is this sufficient…

Q: 1:15 mylab.pearson.com/ + One of the biggest factors in determining the value of a home is the…

A: Obtain the value of correlation The value of correlation is obtained below as follows: Thus,

Q: Elephants are the mammals with the longest gestation period. One species of elephant has a mean…

A: Given,standard deviation(σ)=63 days

Q: collected data on defective products produced over a 24-hour time span. Using a random sample of 800…

A:

Q: Dentists believe that a diet low in sugary foods can reduce the number of cavities in children. Ten…

A: From the provided information, n1=10x1=3.6s1=1.3n2=12x2=1.0s2=0.3 Confidence level = 99%

Q: test statistic and p value are still incorrect, please help me and show me steps, answer rounded

A: 635 502 447 701 405 590 439 453 337 447 471 387 464 476 514 Median =…

Q: From a pack of 52 cards, 3 cards are drawn. What is the probability that one is ace, one is queen…

A:

Q: Our company produces personal computers and is considering the introduc- tion of new color options…

A: Given: Our company produces personal computers and is considering the introduc-tion of new color…

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A: It is given that For men, sample size n1 = 170, Sample proportion = 0.75 For women, sample size n2 =…

Q: Each front tire on a particular type of vehicle is supposed to be filled to a pressure of 26 psi.…

A:

Q: A data set follows a normal distribution. The mean of the data set is 56 and the standard deviation…

A: From the provided information, Mean (µ) = 56 Standard deviation (σ) = 1.7 X~N (56, 1.7)

Q: A survey of 66 randomly selected students finds that they spend a mean of $440 per semester. Assume…

A: Given that, Sample size (n) = 66  Mean (x) = $440  Population standard deviation = $53

Q: Consider the four data sets shown in the accompanying table. Complete parts (a) and (b) below. Click…

A: The data shows x and y variables.

Q: For a R.V X, M₂(1) == (e' +2). Find P(X ≤ 2). 81

A:

Q: Test Scores An instructor who taught an online statistics course and a classroom course feels that…

A:

Q: In a study of the accuracy of fast food​ drive-through orders, Restaurant A had 348 accurate orders…

A: Given information: There are 348 accurate orders and 69 that were not accurate. Total number of…

Q: It is known that 5% of the books bound at a certain bindery have defective bindings. Find the…

A: Givenp=0.05sample size(n)=100Let "x" be no.of books bound by this bindery will have defective…

Q: The process x() is normal with zero mean. Show that if y(1) = x²(1), then Sy(w) = 2π R²(0)8 (w) +…

A: Given that, The process x(t) is normal with zero mean. To prove, if yt=x2t, then,…

Q: 7.26 Testing the sticker information. Refer to the previous exercise. The vehicle sticker…

A: Given: Testing the sticker information. Refer to the previous exercise. The vehicle sticker…

Q: To determine whether baldness causes coronary heart disease (CHD) in men, a hyp cohort study was…

A: The risk ratio is also known as relative risk denoted by RR and defined as the ratio between the…

Q: In a class of 21 students it was discovered that 7 of them suffered from color blindness. If out of…

A: 7 suffers from color blindness 14 not color blinded _______________________ 21 total students select…

Q: State the hypotheses, identify the claim with the correct hypothesis, and determine whether it is a…

A: Given: n = 9 α = 0.10 Formula Used: Test-stasitic t = d-μdsdn

Q: Consider a hypothesis test of the claim that the Ericsson method of gender selection is effective in…

A:

Q: b) Create a 95% confidence interval for the average number of chips in bags of Chips Ahoy! cookies.…

A: From given data we have : 1132,1345,1087,1244,1419,1191,1135,1270,1295,1214,1121,1258,1325,1356 mean…

Q: Your answer is partially correct. An article in Fortune (September 21, 1992) claimed that nearly…

A: To find the p-value, we have to calculate the test-statistic first.  The z test statistic for…

Q: The lifetime, X, of a particular integrated circuit has an exponential distribution with rate of…

A: Disclaimer: "As per the guideline we can only solve 3 sub-parts of a question. please resubmit the…

Q: UESTION 22 A group of 64 randomly selected students, from all MTH213 sections at Zayed University,…

A: Given that sample size is n= 64  sample mean is x̄= 74 and sample standard deviation is s= 4

Q: Given the value X which is a random variable that states the number of visitors in a -c (²1)…

A:

Q: Which of the following is a thesis statement? (Check all that apply.) Note this question isn't…

A: Given data To find the thesis statement of the given statements

Q: d) The weight of 45 watermelons from a farm is shown below. 14:31:32 ... 111. IV. Weight 11-15 16-20…

A: As per our guidelines I can solve only first three subparts. Kindly post the remaining subpart again…

Q: Claim: The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. Sample data:…

A: given data claim : The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. n…

Q: 2. The district superintendent of Orange County schools believes that the second graders in her…

A: Given,sample size(n)=44sample mean(x¯)=64population standard deviation(σ)=12and α=0.01

Q: Use the given information to find the number of degrees of freedom, the critical values and x, and…

A: Given n=21 S=0.22

Q: Find the p-value for a two-tailed hypothesis test with a test statistic of z= 2.49

A: given data  two tailed test z  = 2.49 p value = ?

Q: It is known that 5% of the books bound at a certain bindery have defective bindings. Find the…

A:

Q: Suppose that E and F are two events and that N(E and F)=420 and N(E)=740. What is P(F|E)?

A:

Q: .The time (in hours) required to repair a machine is exponentially distributed with parameter ==…

A: Given,A random variable X~exponential(λ=12)f(x)=12e-x2    ;  x≥0and cumulative distribution…

Q: Assume that the samples are independent and that they have been randomly selected. 1) In a random…

A: Followings are the Explanation of the question Use the two Proportion Z confidence interval  We need…

Q: The following problem deals with evaluating a particular expression from Topic 17 a Say you get a…

A: Given that ; the z-score = -1.21

Q: Let X be a continuous random variable with density function/ (x)=4e 1. Determine F(5) 2. Determine…

A: Given that the density function is, fx=4e-4x, x>0

Q: has been observed that some persons who suffer colitis, again suffer colitis within one year of the…

A: Given P1=0.12 P2=0.13 n1=118 n2=127

Q: 7.22 A final one-sample t test. The one for testing Ho: μ = 20 Ha: μ < 20 based on n = 9…

A: The sample size n is 9 and the t value is -1.85.

Q: Question 7: The melting point of each of 16 samples of a certain brand of hydrogenated vegetable oil…

A: From the given information, the sample size is, n=16. The sample mean is, x¯=94.32 The melting point…

Q: The accompanying data represent the miles per gallon of a random sample of cars with a…

A: Given information:- 32.2, 34.2, 34.4, 35.4, 35.9, 36.3, 37.4, 37.5, 37.8, 38, 38.1, 38.6, 38.7, 39,…

Q: Yvon Hopps ran an experiment to determine the optimum power and time settings for microwave popcorn.…

A: Method: By Using the confidence interval estimation

Q: In behavioral trials, Dr. Richards-Zawacki found evidence for assortative mating preference in a…

A: From the given information,  Dr. Richards-Zawacki found evidence for assortative mating preference…

Q: 18. In 1974, Loftus and Palmer conducted a classic study demonstrating how the language used to ask…

A: