What is the probability of getting from two throws of a dice? a sum 9

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: the same city. For the private university, 1042 alumni were surveyed and 655 said that they attended…

A: According to the given information in this question We need to find the conclusion of the given test

Q: ^ Commuters A recent random survey of 100 individuals in Michigan found that 84 drove to work alone.…

A: given data  x1 = 84n1 = 100x2 = 63n2 = 16099 % ci for p1 - p2

Q: Out of 100 people sampled, 6 had kids. Use the Theory-Based Inference applet to find a 90%…

A: The question is about confidence interval No. of people sampled ( n ) = 100 No. of people had kids (…

Q: Find the critical value(s). Round the answer to at least three decimal places. If there is more than…

A: Given: n = 6 α = 0.10 Formula Used: Test-statistic t = d-μdsdn

Q: According to the Rule of Three, when we have a sample size n with x=0 successes, we have 95%…

A: Given 95% confidence interval Upper bound=3/n

Q: The Standard Normal Distribution (-0, 0-1) 68% of area 95% of area 99.7% of area (a) Convert the x…

A:

Q: Ashley's Internet service is terribly unreliable. In fact, on any given day, there is a 30 % chance…

A:

Q: On February 20, 2018 nebnews.com ran a story titled "Poll: Support for gun control hits record…

A: Givenx=883sample size(n)=1351confidence level=95%

Q: Location is known to affect the number, of a particular item, sold by Walmart. Two different…

A: given data x¯1  =  39s1 = 9n1 = 9x¯2  = 51s2 = 6n2 = 13α = 0.05claim : μ1 < μ2

Q: Suppose an SAT preparation course makes the following statement in their advertising brochure: “We…

A: Given information: An SAT preparation course makes a statement in their advertising brochure. The…

Q: !!!! MULTIPLE CHOICE QUESTION consider Y=2+3*X if X increases by 2 units, Y would increase by: 8…

A: Y=2+3×X

Q: A group of students estimated the length of one minute without reference to a watch or clock, and…

A: From the provided information, Sample size (n) = 15 Level of significance (α) = 0.10

Q: An experiment analyzes imperfection rates for two processes used to fabricate silicon wafers for…

A: As asked by you, I have answered question d.

Q: You are asked to evaluate another new test for earlier detection of head and neck cancer. In total,…

A: The question is sensitivity and specificity Given : Total no. of people who tested +ve = 500 Total…

Q: Engineers must consider the breadths of male heads when designing helmets. The company researchers…

A: It is given that the mean is 6.8 and the standard deviation is 1.1.

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: Daily Stock Prices Two portfolios were randomly assembled from the New York Stock Exchange, and the…

A: i) Suppose the population standard deviation of portfolio A is σ1 and the population standard…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: given data, normal distribution ,μ=183.6σ=2.5n=19 p(M>182.8) =?

Q: The true class start time, X, after schedule , has the following cumulative distribution function F:…

A: Note: Hey, since multiple subparts are posted, we will answer first three subparts according to our…

Q: Question 1: Let X be the number of baseball tickets purchased per game by a randomly selected…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: K For the accompanying data set, (a) draw a scatter diagram of the data, (b) compute the correlation…

A: Given: n = 5 Formula Used: r = n∑XY-∑X∑Yn∑X2-∑X2n∑Y2-∑Y2

Q: The Gallup website reported results from a recent poll of American teachers and asked if they…

A: Givenx=88sample size(n)=120significance level(α)=0.05

Q: ​Claim: A majority of adults would erase all of their personal information online if they could. A…

A: given data ​Claim: A majority of adults would erase all of their personal information online if they…

Q: Cornea Diabetes 3a 3b Hypertension 4a 4b 5 6 Control Endothelial cell density (cells/ Age…

A: Solution: From the given information,

Q: where , & are positive constants. (a) Find the value of a. (b) Consider the transformation X = WP,…

A:

Q: . A die is thrown 3 times. If getting a 6 is considered as success find the probability of atleast 2…

A:

Q: nstruct a normal probability plot for the following sample of observations on coating thickness for…

A: Given: Construct a normal probability plot for the following sample of observations on coating…

Q: Location is known to affect the number, of a particular item, sold by HEB Pantry. Two different…

A: given data x¯1  =  39s1 = 9n1 = 18x¯2  = 55s2 = 6n2 = 18α = 0.01claim : μ1 > μ2

Q: Travel + Leisure  magazine presented its annual list of the 500 best hotels in the world. The…

A: Obtain the value of correlation coefficeint. Use EXCEL to obtain the value correlation coefficient…

Q: A certain type of thread is manufactured with a mean tensile strength of 78.3 kilograms and a…

A: Given that  Mean = 78.3 Standard deviation (SD) = 5.6

Q: Calculate the lower endpoint of a two-sided 95% confidence interval for the population mean using…

A: given data sample size (n) = 41sample mean ( x¯ ) = 11.92population standard deviation (σ) = 1.8195%…

Q: 2.If X is a Normal variate with mean30 and SD 5.Find P [26<X<40].

A:

Q: Employees in a company experience distractions (phone calls, emails, unscheduled visits "etc".)…

A: Given that, The distraction times are right skewed with a mean of 95 minutes and standard deviation…

Q: If X is Uniformly distributed in ДЛ 2 .Find the p.d.f of Y=tan X.

A:

Q: Consider a hypothetical regression predicting if someone will be married or not by the age of 40,…

A: The regression model is given by, MARRIED = 0.2 + 0.03*EDUCATION - 0.01*BMI

Q: 14. The mean and variance of the Binomial are 4 and 3 respectively. Find distribution P(X=0).

A:

Q: A discrete RV X has M.G.F Mx(t) e2(et -1). Find E (X), var (X) and P(X=0)

A:

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: The time spent (in days) waiting for a heart transplant in two states for patients with type A blood…

A: given data, distribution  of the data approximetly normal distribution μ=128σ=18.3patient in the top…

Q: The monthly rents for studio have a apartments in Abu Dhabi mean of AED 3400 and a standard…

A: GivenMean(μ)=3400standard deviation(σ)=400sample size(n)=25

Q: A random sample of 77 eighth grade students scores on a national assessment has a mean score of…

A: From the provided information, Sample size (n) = 77 Sample mean (x̄) = 289 Population standard…

Q: A new gasoline additive is supposed to make gas burn more cleanly and increase gas mileage in the…

A:

Q: 1. Find the forecasting results based on each year (1991-1995) using the simple linear regression.…

A: 1991 1992 1993 1994 1995 Jan 164 147 139 151 138 Feb 148 133 143 134 136 Mar 152 163 150 164…

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 lower end of the 95% confidence interval is and the higher end of the 95% confidence interval…

A: It is given that Sample size n = 30 Sample mean M = 82 Sample SD s = 17 Confidence level = 95%

Q: An owner of an ice cream shop wants to determine the factors that affect ice cream sales in a day.…

A: Please note that if multiple sub-parts are present in a question we can answer the first three…

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

A:

Q: Bo is buying some nails for a project. They are interested in whether the boxes are significantly…

A: Solution: Given information: n=8 Sample size  x= 9.8 Sample mean s=0.4 Sample standard deviation…

Q: An important application of regression analysis in accounting is in the estimation of cost. By…

A: Regression equation :  General form of regression equation is ,  y^ = b0+b1*x where , b1 is slope of…