need help with these 2 parts

Q: According to a recent survey, 77% of husband-wife families with kids under 18 years old have life…

A: Let  n be the sample size  p be the probability of husband-wife families with kids under 18 years…

Q: Gregory decides to go to this well-known transpo hub on his way home from work so that he can take a…

A: Given information: A taxi comes every eight minutes, while a bus comes every ten. While a taxi can…

Q: Determine the number of probabilities of getting exactly 4 fives when a certain die is tossed 8…

A: Given that  a)  Die is rolled then the outcome (1,2,3,4,5,6) p= 1/6  , q = 5/6 , n = 8 p =…

Q: 1. Let X, Y, Z have joint pdf f(x, y, z) = 2(x + y + z)/3, 0<x< 1, 0 <y< 1,0 < z < 1, zero…

A: Answer: - Given, X, Y, Z have joint pdf                 f(x, y, z) = 2(x + y + z)3 ,  0 &lt;x &lt;3,…

Q: 9. [24/396, o Unknown] Consider the following hypothesis test: Ho: u = 18 and Ha: u 18. A sample of…

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Q: P: A square is a quadrilateral. Q: 51 is a prime number. R: The square of 4 is 2. Find the truth…

A: Using given information P : A square is a quadrilateral Q : 51 is prime number R : The sqaure of 4…

Q: 10) Playing 5 card stud poker find the probability of getting two pairs? Example 5,5,9,9,7-

A: The objective is to find the probability of getting two pairs in playing 5 card stud poker. There…

Q: I need help in this question of Probabiltiy The 21st Century grade of students in a certain school…

A: Given,mean(μ)=87.18standard deviation(σ)=2.99

Q: An article suggests that a Poisson process can be used to represent the occurrence of structural…

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Q: please show me how to find, The number of workers who took at most 10 sick days per month, The…

A: We have given that The number of sick days taken by 200 factory workers Number of days  Frequency…

Q: If P is a probability function and A1, A2, A3,...,An A, A₂KA, e, then PUA = EP[A].

A: Given that

Q: Use the previously calculated values p₁ = 0.525 and ₂ = 0.2 to compute p. = m m+n 80 80 + 80 11 11 .…

A: Given that  p^1 = 0 525 , p^2 = 0.2

Q: 1. Logistic regression with ±1 labels. Logistic regression (with ±1 labels) maximizes the likelihood…

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Q: Assume that adults have IQ scores that are normally distributed with a mean of 96.8 and a standard…

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Q: 11. The annual probability of moving is 0.17. (a) What is the probability that a person moves for…

A: We have given thatp = 0.17 Here we will use binomial distribution because probability of success is…

Q: Page 142, 2.6.2.* Let f(x1,x2,X3)=exp[-(x1 + x2 + x3)], 0 < x₁ <∞, 0 < x₂ < ∞, 0 < x3 <∞, = zero…

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Q: Consider a random variable X with density function 0.5 f(x) = X 0 ifk < x < 0 if 0 < x < 1 otherwise

A: Given density function of a random variable X is(when given K=1); f(x)=0.5if -1&lt;x&lt;0xif…

Q: Answer quickly please.  In a recent submission to a Joint Select Committee of Parliament, the…

A: event  A : MAID  person           B : consumes dairy productP(A∩B)=0.34P(B)=0.80find, P(A|B)=?

Q: Spacers are typically used in groups of four and tolerances require the total length of the 4…

A:

Q: You arrive at a bus stop to wait for a bus that comes by once every 30 minutes. You don't know what…

A: Given,A random variable X~U(0 , 30)f(x)=130   ;   0≤X≤30

Q: A random variable X has probability density function f(x;0) = { 0e-thx Oe It is desired to test the…

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Q: A game starts when the player pays 5 php. This gives him a chance to draw 2 balls simultaneously…

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Q: 8. Suppose that colored balls are distributed in three indistinguishable boxes as follows: RED WHITE…

A: Given that    Box 1 Box 2 Box 3 Total Red 2 4 3 9 White  3 1 4 8 Blue  5 3 3 11 Total 10…

Q: Determine the expected value given the function: f(x) = a≤x≤b). Given that a and b are random…

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Q: One graph was wrong too need ans for that one too.

A: We have, CDF of X:- F(X) =-8X9+9X8,     0 &lt; X &lt; 1

Q: An article in the Journal of Sound and Vibration (Vol. 151, 1991, pp. 383-394) described a study…

A: The independent variable is noise exposure. The dependent variable is hypertension. We have to do…

Q: For the given alternative hypothesis H.: ₁₂-10, the P-value will be the area under the t, curve to…

A: Given that We have to find p value for both left and right tailed and then draw conclusion whether…

Q: If the NGO's interest is to determine whether there are differences in the amount of plastic trash…

A: b. QQ plot for location 1: R syntax: From the above plot, it is clear that all the points are…

Q: The numbers 1, 2, 3, and 4 are written on slips of paper, and 2 slips are drawn at random one at a…

A: S : { 1,2,3,4 } select two without replacement total outcomes = 4*3 = 12

Q: (b) What is P(X ≤ 0.7) [i.e., F(0.7)]? (Round your answer to four decimal places.) 0.1960 (c) Using…

A: Given: The CDF of X is -8x9+9x8     0≤x≤1 μ=0.8σ=0.1206

Q: 8. Suppose that colored balls are distributed in three indistinguishable boxes as follows: RED WHITE…

A: Given data is    BOX   1 2 3 RED 2 4 3 WHITE 3 1 4 BLUE 5 3 3

Q: 1. mpg: Miles/(US) gallon 2. cyl: Number of cylinders 3. disp: Displacement (cu.in.) 4. hp: Gross…

A: As per the guidelines, we will solve first three subparts for you. In order to get the answers for…

Q: What is the probability that the spinner lands on Red??

A:

Q: QUESTION 3 Let XXX be a random sample from an exponential distribution with density function Then…

A: Pivotal quantity is the quantity which one is independent of parameter.

Q: A local high school has both male and female students. Each student either plays a sport or doesn't.…

A: female male total no sport 10 7 17  sport 32 21 53 total 42 28 70

Q: Suppose that E and F are two events and that P(E)=0.5 and P(FIE) = 0.6. What is P(E and F)? P(E and…

A: GiveP(E)=0.5P(F|E)=0.6

Q: Assume that 30% of the students in a college have GPA over 3.0. Consider randomly selected group of…

A: Given that  n = 10 , p = 30% = 0.30 p = Probability of the students in a college have GPA over 3 X =…

Q: What conclusion would be appropriate for an upper-tailed chi-squared test in each of the following…

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Q: In horse racing, a trifecta is a race in which you must pick the first-, second-, and third-place…

A: to win a payoff , pick first, second and third place winners in their proper orders. if ten horses…

Q: If 10 % of a population is left-handed and we take a random sample of 30 people, then the…

A: Givenpercentage of population is left-handed(p)=10%=0.10sample size(n)=30

Q: 13. Prove that 11 D A. sitian AA P(EF) = P(E) – P(EF).

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Q: se the probability distribution for the random variable x to answer the question. 1 2 3 4 0.12 0.2…

A: Pmf given X 0 1 2 3 4 P(X=x) 0.12 0.2 0.20 0.36 0.12

Q: H I 3 3 Female Male Total 13 30 17 20 5 44 Fly 36 18 54 Freeze Time 20 32 52 Total 115 85 200 a.…

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Q: a. An urn contains n white and m black balls. The balls are withdrawn one at a time until only those…

A: Solution: It is needed to prove the given statement and to find the probabilities.

Q: = O PROBABILITY Intersection and conditional probability Suppose that a certain college class…

A: total number of students = 62number of seniors = 37number of mathematics majors = 36number of…

Q: The table below shows the number of sales associates and the average number of customers per day…

A:

Q: (a) H: > 110 O Yes, this statement is an assertion about the value of a parameter. O Yes, this…

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the…

Q: 4. Define = {1,2,3,4,5,6} and A₁ = {i} for i = 1,2, ...,6, B = {1,4}, C = {2,3,4}, D = {1,2,3} and E…

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Q: In a certain municipality, 70% of all residents are at risk of heart disease.  If researchers…

A: Givenp=0.70sample size(n)=16Let "x" be the no.of residents who are at risk of heart…