Suppose that 65% of people own dogs. If you pick two people at random, what is the probability that they both own a dog? Give your answer as a decimal (to at least 3 places) or fraction

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A: Given Twenty four subjects volunteer for a study of a new cold medicine. 8 of the volunteers are…

Q: A store is selling 5 types of hard candies: cherry, strawberry, orange, lemon and pineapple. How…

A: Given that 5 types hard candies  Cherry, Strawberry, Orange, Lemon, Pineapple We have to find number…

Q: Suppose Z follows the standard normal distribution. Calculate the following probabilities using the…

A: Given: Z follows the standard normal distribution.

Q: The probabilistic method. 10 per cent of the surface of a sphere is coloured blue, the rest is red.…

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Q: Let (X, Y ) be independent and uniformly distributed random variables (RVs) on the interval [0, 1].…

A: Given that, X and Y are independent. X~ U(0,1) and Y~ U(0,1) f(x)= 1 ; 0<x<1 and f(y)= 1 ;…

Q: radio station runs a promotion at an auto show with a money box with 12 $25 tickets, 11 $5 tickets,…

A: given data  12 $25 tickets 11 $5 tickets 14 $ 1 tickets 20 dummy tickets ____________________57…

Q: Marie and Sitka are painting a room together. They have a choice of mauve, lime green, or pale gold…

A: Marie and Sitka are painting a room together. They have a choice of mauve, lime green, or pale…

Q: From bag A having 2 Red, 1 Black balls and from bag B having 3 Red, 2 Black balls, 1 ball each is…

A: From given data we have : Bag A has 2 red and 1 black balls. Bag B has 3 red and 2 black balls.

Q: he odds in favor of Michael Jordan making a free throw were 21:4. Find the probability of Michale…

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Q: A fair coin is tossed n times. Show that, under reasonable assumptions, the probability of exactly k…

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Q: Let A = {1, 2, 4, 5, 6, 10} and R be a relation on A such that for all x and y in A, x R y if and…

A: Given : A = {1,2,4,5,6,10} xRy if and only if x|y

Q: A fair coin is tossed n times. Show that, under reasonable assumptions, the probability of exactly k…

A: Let p be the probability of getting head. Then p = 1/2 as the coin is fair. Let X denote the number…

Q: The number of rainy days per year of a certain city is normally distributed with a mean of 92 days…

A: from given data we have : the number of rainy days per year of a certain city is normally…

Q: In tossing a fair coin four times, let X denote the random variable that counts the number of times…

A: Given,A fair coin is tossed 4 times .Let X denote the random variable that counts the numberof times…

Q: The weights of a certain brand of candies are normally distributed with a mean weight of 0.8554 g…

A: given data, normal distribution,μ=0.8554σ=0.052n=447p(x>0.8539)=?

Q: 39,40,41

A: Given Information: Mean μ=256 Standard deviation σ=12.5

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A: Given n=5

Q: A coin which has probability 0.4 of coming up Heads is tossed three times. Let Y be the number of…

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Q: Conditional entropy. Let A and B = (Bo, B₁,..., Bn) be a discrete random variable and vector,…

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Q: Eight pawns are placed randomly on a chessboard, no more than one to a square. What is the…

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Q: between years of education and yearly income. Which fact would lead you to believe that the…

A: Given that there is a positive correlation between years of education and yearly income.

Q: Twenty-five percent of the academic staff of a large faculty are non-teaching academic staff. A…

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Q: 1. According to Medscape.com, the rate of bacterial conjunctivitis in the United States is 135 cases…

A: 1. a) Let X denotes the number of cases of bacterial conjunctivitis in a community of 10000 people.…

Q: On the Back! 2. Ms. Lin recorded her students' test scores. Represent the data in a frequency table…

A: 1 71 2 99 3 95 4 96 5 77 6 79 7 78 8 81 9 75 10 90 11 84 12 99 13 87 14 68…

Q: A fair coin is tossed n times. Show that, under reasonable assumptions, the probability of exactly k…

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Q: Find the margin of error for a 95% confidence interval for estimating the population mean when the…

A: CI=0.95α=1-0.95=0.05s=90we have to find out the margin of error for the given dataformula of margin…

Q: Eight pawns are placed randomly on a chessboard, no more than one to a square. What is the…

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Q: Problem #7: The joint probability mass function of (X, Y, W) is Problem #7(a): Problem #7(b): p(1,…

A: Given that P(1,2,3) = P(2,1,1)=0.4, P(2,2,1)=P(2,3,2)=0.1 A) E(XYW)= P(XYW)×P(X,Y,W)…

Q: 6. What is wrong with the following line graph?

A: Given graph is

Q: Show that the number Zn of individuals in the nth generation of a branching process satisfies P(Zn >…

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Q: A shipment contains 10 igneous, 8 sedimentary, and 8 metamorphic rocks. If 6 rocks are selected at…

A: Given information- We have given that a shipment contains 10 igneous, 8 sedimentary, and 8…

Q: The scores on a psychology test were normally distributed with a mean of 65 and a standard deviation…

A: According to empirical rule 68%,95% and 99.7% data fall within one ,two and three standard…

Q: Coupons. Every package of some intrinsically dull commodity includes a small and exciting plastic…

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Q: inde- Airlines find that each passenger who reserves a seat fails to turn up with probability…

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Q: 1. Decision Theory Consider the following random variable X. For positive integers k, Pr[X = 2k] =…

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Q: home insurance. Its basic policy costs $ 1200 for a year and it pays out $100,000 in case of fire…

A: Given  Basic policy costs $ 1200 for a year it pays out $100,000 in case of fire damage to a home.…

Q: A science class has 3 girls and 9 boys in seventh grade and 5 girls and 3 boys in eighth grade. The…

A: Given In seventh grade=3 girls,9 boys In eighth grade=5 girls,3 boys

Q: SOLVE STEP BY STEP IN DIGITAL FORMAT 1. Show that the function F given by F(x) = { 1 is distribution…

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Q: Provide an appropriate response. 16) Consider the discrete probability distribution to the right…

A: given that the discrete probability function

Q: 1. Let X and Y be independent random variables, each taking the values -1 or 1 with probability ,…

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Q: Suppose that 14% of all children in a given city are left-handed and 8% have red hair. Assuming that…

A: here suppose, A :  children in a given city are left-handed  A': children in a given city are…

Q: you rout toss a the number an ordinary six-side die Let the random of Tails Coin. Seen once and then…

A: Here T represents the number of tails. When we toss a coin then there are only 2 possible outcomes.…

Q: Arc sine law for maxima. Consider a symmetric random walk S starting from the origin, and let Mn =…

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Q: anyone solve this problem

A: let  event A = “patient cured” event B = “disease diagnosed correctly”

Q: Arc sine law for maxima. Consider a symmetric random walk S starting from the origin, and let Mn…

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Q: A point D is fixed on the side BC of the triangle ABC. Two points Pand Q are picked independently at…

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Q: Two Envelopes Two envelopes, each containing a check, are placed in front of you. You are to choose…

A: Here, consider A and B be the unknown amounts of bills. If the value of y is kept predetermined and…

Q: 9. Answer parts a-d. What is the point estimate of the population mean? 8.38 .. Find the standard…

A: We have given that,  Sample size (n) = 532, mean (x̄) = 3.38 and standard deviation (s) = 1.9

Q: A coin which has probability 0.82 of coming up Heads is tossed three times. Let Y be the number of…

A: Y be the number of tails given  Given  probability of head =q=0.8

Q: The city of Raleigh has 10,500 registered voters. There are two candidates for city council in an…

A: Note: Hi there! Thank you for posting the question. As there are several independent questions,…