. A box contains six cards, labeled 1, 2, 2, 3, 3, and 3. Two cards are chosen at random, with the first card being replaced before the second card is drawn. Let X represent the number on the first card, and let y represent the number on the second card.

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A: From the given data we can write the equation that,  Exam4=68.9576+0.1028 Exam3

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Q: A computer reseller made the graph below. In what way(s), if any, is this graph misleading?

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Q: When Z = -1.2, M = 21.6, and s = 1.5, what is X?

A: Answer: From the given data, Z value = -1.2 Mean (M) = 21.6 Standard deviation (s) = 1.5

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A: The random variable financial institutions follow normal distribution. The sample size is 119. We…

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Q: For Education (in years), Bar chart is recommended A- true  B- false

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Q: What is the sample standard deviation of the following numbers? 8, 3, 6, 2, 1

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Q: Let Y be a random variable with the following probability distribution: p(y) = y/6 for y = 1; 2; 3…

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Q: Q1. Consider the following data: 4 6 6 4 Assignment 5 5 2 4 3 6 Find out the following: (i) Karl…

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Q: An Insurance company study shows that 45% of U.S. adults have high blood pressure. Suppose 6 U.S.…

A: It is given that n =6 and p = 0.45.

Q: Which one of the scatter plots below corresponds to the least-squares regression line: y = -2761…

A: Regression equation Y = -2761 + 50.3x For getting scatter plot,  Put values of x in equation, and…

Q: a production process has a defective rate of 2%, that is 2% of all items produced are defective. the…

A: Here we are asked to find the conditional probability P(A'/B')   The detailed calculation with…

Q: Suppose X is indeed approximately normal. a. What range of X values will fall within 68%, 95%, and…

A: GivenMean(μ)=107.7standard deviation(σ)=46.9variance(σ2)=2198.62057476052

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A: The values of X are -1, 2,3,5, and 6.

Q: A recent Gallup survey of a random sample of Americans (18 and older) found that the average number…

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A: Given,X¯=∑i=1n Xin

Q: Using standard normal table, find the following probability: P(Z < 1.21)? Round to 5 decimals

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Q: A home pregnancy test was given to women, then pregnancy was verified through blood tests. The…

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Q: 11) Listed below are the amounts of time (in months) that the employees of a restaurant have been…

A: It is given that the sample data 1, 5, 6, 8, 11, 14, 17, 46, 61, 90, 99, 126, 143, 167 The data is…

Q: Variable and "Exam1" as the predictor variable. The output is shown below. A text version is…

A: Given that  Y Intercept = 57.7627 Slope of exam1 = 0.2266

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Q: Determine μx and σx from the given parameters of the population and sample size.   μ=72​, σ=28​,…

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Q: Show that a) E[XY|Y=y] = yE[X|Y=y] b) E[g(X,Y)|Y=y] = E[g(X,y)|Y=y] c) E[XY] = E[Y E[X|Y]]

A: Solution

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A: event  A : produced by line 1            B : produced by line 2            D : defective

Q: A researcher selects a sample of 6 men and 11 women. She asks participants to rate the likelihood…

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Q: According to government data the probability that an adult was never in a museum is 11%, in a random…

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Q: The time to complete an exam is approximately Normal with a mean of 47 minutes and a standard…

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Q: 4. A business has weekly profits of $5,000, $1,700, $2,000, $2,500, $5,000, and $3,000. Why is using…

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Q: Anita's, a fast-food chain specializing in hot dogs and garlic fries, keeps track of the proportion…

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Q: 2. The stemplot below shows the weights of 30 male high school students from Small Rock High School.…

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Q: Let X represent the number of homes a real estate agent sells during a given month. Based on…

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Q: A teacher gives an unannounced, three-question true-false pop quiz, with two possible answers to…

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Q: In the 2013 Jerry’s Artarama art supplies catalog, there are 310 pages. Ten of the pages feature…

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Q: The contingency table shows how many people wore (Y) and did not wear (N) seat belts as well as how…

A: The contingency table is given as: Wore seat belt Survived (S) Died(D) Total Yes (Y) 370313 766…

Q: For the normal distributions shown to the right, find the probability that an observation falls in…

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Q: lard deviation σ = .55. a. For online orders filled by the eastern DC, find P(x ≤5). b. For online…

A: Given that  For eastern DC Mean = M = 5.22 , Standard deviation = SD = 0.77 X ~ Normal (M = 5.22 ,…