A bag contains 44 pieces of salty crackers, of which 20 are house-shaped and 24 are car-shaped. A person selected 3 crackers at random and without replacement from the bag. Find the probability of 2 of the 3 crackers are car-shaped

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A: a. There are five democrats and eight republicans.

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A: Given that A bag contains  four red marbles, two green ones, one lavender one, two yellows, and…

Q: Negative Test Result Total % 114 % 1155 594 Use the preceding data to estimate each of the…

A: It is given that  Total number of persons = 2006 Total test negative persons = 708 Total number of…

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A: Here, In a lottery game, a player picks six numbers from 1 to 24. If the player matches all six…

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A: x P(x) x*P(x) +200 0.20 40 +300 0.50 150 -800 0.30 -240

Q: Amdre paid 13$ for 3 books. Deigo bought 12 books priced at the same rate. How much did Deigo pay…

A: given data  pay $ 13 for 3 books deigo bought 12 books    how much deigo paid for books ?

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A: Given Total frequency 14

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A: We have to give the situations in which sampling is useful.

Q: of significance for the given sample data. Assume that the populations are normally distributed. Use…

A: Given that  Sample size n1=27 , n2=19 Standard deviation s1=11.2  , s2=7.1

Q: Prove- Assume that X1 ∼ P oi(λ1), X2 ∼ P oi(λ2). Assume also that X1 and X2 are independent.…

A:

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A: Given table    X P(X) 2 0.26 3 0.23 4 0.29 5 0.14 6 0.04 7 0.04 (a) The expected…

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A: Given information: You buy a stock that has an annual expected return of 12.05% and a standard…

Q: Shade the Venn Diagram for the set BOC)UA Use the graphing tool to shade the regions. * Click to…

A: given data we have to shade are  : (B∩C')∪A

Q: Determine the real a such that P(X ≥ a) = 0, 2 Determine the real b such that P(176 − b ≤ X ≤ 180 +…

A: Given that Population mean =176 Standard deviation =10   We have to find Real value a such that…

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A:

Q: Z has the so-called one-sided Cauchy density (1+z²) 5.35 Suppose that X and Y are independent random…

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Q: You select a family with four children.  If M represents a male child and F a female​ child, the set…

A: Here we have givent he sample space, ​ S= {FFFF, FFFM,​ FFMF, FMFF,​ MFFF, MFFM,​ MFMF, MMFF,​ FFMM,…

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A:

Q: approach. Be sure to verify the requirements of the test. Ho: p=0.3 versus H₁: p>0.3 n=200; x=65;…

A: Given that Sample size n =200 Favorable cases x =65 Sample proportion p^=x/n  =65/200 =0.325

Q: What is the probability of failure of the following system? Rp 1-(1-P)(1-P2)(1-P3)... (1-P) R₁ =…

A:

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A:

Q: 2. Suppose the current annual salary of all teachers in the United States have a normal distribution…

A: Given that.   X~N( μ , ?)   μ=81000     , ?=6500   Z-score =( x - μ )/?

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A: According to the given information, we have Two fair six sided dice are rolled.

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A: It is given that  P( success ), p = 45% = 0.45 Sample size, n = 10 The random variable X represents…

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A: Given that  Population Standard Deviation = 37 Sample size = 30 Note : According to bartleby experts…

Q: Wildlife biologists inspect 150 deer taken by hunters and find 30 of them carrying Lyme disease…

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Q: Question 5: What is the p-value of this regression? Should we reject the null-hypothesis (regression…

A: Regression analysis Note that I used Excel for my calculations.

Q: A card is drawn from a well-shuffled deck of 52 cards. Find the probability that the card is a red…

A: given data, a card is drawn from a well- shuffled deck of 52 cards probability that the card is red…

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A: Given Pr[A]=1/2Pr[A1]=1/4Pr[A2]=1/4Pr[1|B]=1/4Pr[2|B]=3/4Pr[B1]=12/4Pr[B2]=1/8Pr[C1]=1/12Pr[C2]=1/4…

Q: 2a. A set of workers aims to determine if the ambiance of their workplace improves their mental…

A: Given that We have to find what type of sampling techniques we use :    a... A set of workers aims…

Q: Exercise 2: Let X be a random density variable                        f(x) = { e−2θx if x ≥ 0…

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…

Q: For this question, make conclusions about the population of Orion slides. Calculate the p-value and…

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Q: 8. If the random variables X and Y have the joint density for 1 ≤ x + y ≤ 2, x ≥ 0, y ≥ 0 otherwise,…

A: Given that the random variables X and Y have the joint density fx,y=67x  for 1≤x+y≤2, x≥0, y≥00 ,…

Q: What is the probability of winning a lottery in which you must choose 4 numbers from the numbers 1…

A: It is given that  Total numbers = 18 Total number for winning a lottery = 4

Q: Is there anyway to show this is true via Pigeonhole Principle?

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A: When tossing a six-sided dice 3 times,  The total outcomes is 63=216 The outcomes for the totals…

Q: Conditional expectation. 5. Suppose (Zk) are iid N(0, 1) and suppose N is an independent Poisson (1)…

A: Given that Zk1∞ are iid N0,1 ans N is an independent Poisson(1) random variable.

Q: Complete the following. (a) Calculate how many numbers between 100 and 699 contain exactly one 1 by…

A: Given: We need to calculate the numbers between 100 and 699 that contain exactly one 1 by…

Q: Exercise 3: In a garden center: 25% of the plants are less than a year old, 60% are 1 to 2 years…

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A: Forecasting using linear model. Note that I used R software for my calculations.

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A: The joint probability distribution of C and A is   C=30 kmph C=55 kmph C=85 kmph A=0 0.30 0.07…

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Q: You wish to test the following claim (HaHa) at a significance level of α=0.001α=0.001.…

A: