In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?

Q: The useful life of a certain battery is normally distributed with a mean of 328 hour standard…

A:

Q: New-Homes Prices If the average price of a new one-family home is $246,300 with a standard deviation…

A: Solution-: Given:  μ=246300,σ=15000 Let, X= The prices of houses  X→ N(μ=246300,σ2=150002)…

Q: The grade point averages (GPA) for 12 randomly selected college students are shown on the right.…

A: Given data is,2.3 , 3.1, 2.9, 1.6, 0.9 , 4.0, 2.4, 1.3, 3.6, 0.1, 2.4, 3.3sample size(n)=12

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Q: Which variable is the explanatory variable? Square Footage Selling Price (b) Draw a scatter diagram…

A: Hey, since there are multiple questions posted, we will answer first three question. If you want any…

Q: (Round to four decimal places as needed.) b. If 16 adult females are randomly selected, find the…

A: Part (b) :The information provided in the question are as follows, µ = 75.0 σ = 12.5 n = 16…

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A: Here, the claim of the test is, the brown trout's mean I.Q. is not four. This is representing in the…

Q: Let the sample space be S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10). Suppose the outcomes are equally…

A: given data sample space s : {1,2,3,4,5,6,7,8,9,10}equally likely outcomesE : even number less than 7…

Q: QUESTION 2 Find the z-scores that delineate the middle 99% of all values from the others. Enter your…

A: p(-Z<z<Z)=0.99here we know that CI=1-α0.99=1-αα=1-0.99=0.01we have to find out the z critical…

Q: A group of 25 randomly selected students, from all MTH213 sections at Zayed University, has a sample…

A: a) Suppose µ is the population mean score of all students taking the test.

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Q: A bag contains 4 red and 3 black balls. A second bag contains 2 red and 4 black balls One bag is…

A: bag 1: 4 red, 3 black : 7 total  bag 2  : 2 red, 4 black : 6 total event: B1: bag 1 selected B2: bag…

Q: Earlier this semester, we learned to use 2-Sample-TTest to compare the population means of two…

A: Given The data is as follows: Treatment One Treatment Two 5.6 3.4 4.7 2.3 3.6 4.4 3.9 3.5…

Q: You roll a fair six-sided die. If the die shows a prime number then you toss a fair coin that number…

A: * ANSWER :-  From the given information the calculation is given as,

Q: A random sample of 865 births included 431 boys. Use a 0.01 significance level to test the claim…

A: given data clim : p = 0.5150n = 865x = 431α = 0.01p^ = xn = 431865 = 0.4983

Q: Can you break down the steps in Excel in solving b.?  I can't get it to produce 0.0000000000571

A: Number of white balls  = 59  Number of red balls = 35 Selecting 1 from red and 5 from white balls

Q: The figure plots the number of manatee deaths by boat versus the number of boats registered to…

A: The coefficient of determination essentially indicates the explained proportion of variation in the…

Q: Suppose that in a random selection of 100 colored candies, 23% of them are blue. The candy company c…

A: given data, n=100blue candies of blue candies =p claim:p=0.21p^=0.23 α=0.05

Q: Name: 4-2 Additional Practice 1. Which line is the best model of the data? 50 40 30 20 10 0 0 O 2 Q…

A: Correlation shows the association between the two numerical values. There are three times of…

Q: 7.144 Sample size calculation. Example 7.13 (page 449) tells us that the mean height of 10-year-old…

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Q: Consider the data. xi 2 6 9 13 20 yi 6 19 7 24 23 The estimated regression equation for these data…

A: (A)   Obtain the percentage of the total sum of squares can be accounted for by the estimated…

Q: If n=28, ¯x(x-bar)=32, and s=11, construct a confidence interval at a 95% confidence level. Assume…

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Q: 3. Issue an R command to generate the following graphic layout: 9 7 5 4 8

A: The objective is to generate the provided graphic layout. For obtaining the layout using R, the…

Q: Using The t Distribution Table, find the P-value interval for a right-tailed test with = 30 and 1=…

A: given data  n = 30 t = 2.345 right tailed test   p value  = ?

Q: 10:18 Which of the following numbers could be the probability of an event? 1, 1.22, 0.02,-0.49,…

A: we have to find which value of given numbers can be probability. for valid probability :0≤P(xi) ≤1

Q: A coin is tossed 100 times. The possible outcome that appears on each bounce is a Number (A) or an…

A: Dear student, If you find this solution helpful please upvote it. The codes are given below:

Q: selected bag, one ball is drawn.Find the probability that the ball drawn is red.

A:

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

A: given data  right skewed distribution μ= 95σ = 18n = 36P(x¯>100) = ?

Q: A statistics instructor randomly selected four bags of oranges, each bag labeled 10 pounds, and…

A: From the provided information, Sample size (n) = 4 Confidence level = 95%

Q: ized Charitable Contributions The average charitable contribution itemized per income tax retu is…

A: Mean =792 Standard deviation=103 Middle=58% C=0.58

Q: Consider drawing a 5-card hand from a standard 52-card deck (note that there are four suits: spades,…

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Q: Perform the F Test making sure to state the null and alternative hypothesis.

A: e) The objective is to perform the F Test making sure to state the null and alternative hypothesis.…

Q: USE THE 8-STEP HYPOTHESIS TESTING The following table shows the distribution of uric acid…

A: Given: The following table shows the distribution of uric acid determinations taken on 250 patients.…

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A: Given information: Mean=μ=18Standard deviation=σ=3.9 Chebyshev's theorem: At least 75% of the…

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A: Randomized Block Design (RBD) is the improvement of a Completely Randomized Design (CRD). When the…

Q: S and Sy [Select] Pearson Correlation Coefficient (r): [Select] = Regression line equation: [Select]…

A: By bartleby policy i can gives only 3 subparts at a time

Q: Full-time Ph.D. students receive an average of $12,837 per year. If the average salaries are…

A: GivenMean(μ)=12837standard deviation(σ)=1500

Q: Lottery Prizes A lottery offers one $1000 prize, two $500 prizes, three $300 prizes, and four $200…

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Q: The following three independent random samples are obtained from three normally distributed…

A: Work study vs. Co-op: Given information: x¯1=13.1813, s1=0.6592,n1=15x¯2=15.0517, s2=1.6674,n2=24…

Q: USE THE 8-STEP HYPOTHESIS TESTING In a study by Xiao and Shi (A-14), researchers studied the effect…

A: Hypothesis test are used to compare sample and population. It is broadly of two types, they are…

Q: A town believes that an average of 33 cars travel through an intersection each hour. A new worker…

A: Given data is 35,31,34,32,32,30,29sample size(n)=7significance level=1-0.94=0.06

Q: 5.2. Give the estimated logistic regression decided upon and give the odds ratios for regression…

A: Given is the summary of logistic regression to predict the effectiveness of treatment (Y) based on…

Q: One of the biggest factors in determining the value of a home is the square footage. The…

A: here first we have regression line ;

Q: The following three independent random samples are obtained from three normally distributed…

A: Work study vs. Co-op: Given information:

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A: We need to determine whether we can construct the confidence interval for the following cases or…

Q: The table gives data on the price is charged for a beer (per ounce ) and for a hot dog at Major…

A: Given  r=0.21

Q: Housing Price Prediction Model for D.M. Pan Real Estate Company

A: Given information: The output of simple linear regression is given.

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Q: Score: of 11 > Macmillan Learning 59.390 When there are few data, we often fall back on personal…

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Q: Suppose that in a random selection of 100 colored candies, 23% of them are blue. The candy company…

A: given data, n=10023% of them candies are bluep(blue) =0.23claim: p=0.21