Use the confidence interval to find the margin of error and the sample mean. (0.196,0.300) The margin of error is

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Q: -Given that P(a) = 0.2 and P(b) = 0.6, in which of the following joint probability table: are P(A)…

A: Independent: If two events are independent if P(A and B)=P(A)*P(B). Here P(a)=0.2 and P(b)=0.6.

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Q: The following is a collection of grades of students in Survey Sampling. You want to estimate the…

A: Data   76   74   73   72   88   82   69   88   87   78   91   72   73…

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A: Take X be the continuous random variable. Assume X~F(α,λ).

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Q: Determine the probability of obtaining a sum that is divided by 3 without remaining from a single…

A: roll a pair of dice total outcomes = 36find P(sum of dice is divisible by 3 without remaining) = ?

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Q: Harper's Index reported that the number of (Orange County, California) convicted drunk drivers whose…

A: Given Information: Probability of a repeat offender is still p=1560 r is the number of repeat…

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A: Given:   Number of cars (y) Salary (x) xy y^2 x^2   0 80000 0 0 6400000000   0 17000 0 0…

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Q: The random variables X and Y describe the outcome of two independent tosses with a dice. Let Z=X+Y…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts [probability…

Q: f(x,y) x=0x=1 y=0 0.4 0.1 0.1 0.4 An error occurs when X Y. An 8-bit long message is sent over this…

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Q: let R be the random variable representing the number of red balls chosen. What is f(3)?

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Q: Consider the sample space S= {(-2, 4), (-1, 1), (0, 0), (1, 1), (2, 4)}, where each point is assumed…

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Q: There are six men and seven women in a ballroom dancing class. If four men and four women are chosen…

A: Here Given  Total No of Men=6 Total No of Women=7

Q: )? b.)

A: Given as,    Total ball in box = 8 +8 + 8  = 24 balls

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A: Given information- Population mean, µ = 485 Population standard deviation, σ = 32 Let X be the…

Q: 2- Two events A and B are such that P(A) = 0.5, P(B) = 0.3 and P(A/B) = 0.1. Then P(A|AUB) is O True…

A: Answer : - Given two events A and B  s.t.                 P(A)  = 0.5,    P(B) = 0.3   and   P(A|B)…

Q: 1- The total number of positive integers that can be formed from the digits 1,2,3 and 4 if no digit…

A: NOTE- AS PER POLICY I  HAVE CALCULATED FIRST MAIN QUESTION ONLY. Here Given 4 digits 1,2,3,4

Q: text dianco cow yote na wewe ni mu 2) A poll at Ford College's branch campus found that about 800…

A: Hi there! Since there are multiple questions we will solve one question for you. To get remaining…

Q: If E denotes the expectation the variance of a random variable X is denoted as? a. (E(X))² O a. O b.…

A: Given,E denotes the  expectation.

Q: a random variable has probability distribution: x= 0,1,2,3,4,5,6,7 and P(x) =0,k,2k,2k,3k,k*k,2k*k,…

A: Given Information: x 0 1 2 3 4 5 6 7 P(x) 0 k 2k 2k 3k k2 2k2 7k(k+1) Required: To find the…

Q: Let the random variable X have the density function = {kx₂,0; f(x) (kx,0 ≤ x ≤ √√2/k 0,elswhere

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Q: The combination to a lock consists of a sequence of three numbers in the range 0-28. a) How many…

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Q: Problem 7 One hundred children were asked, "Do you like mommy or daddy" Of the 33 who answered…

A: According to policy we answer 1st question for remaining please repost the question.

Q: 1- The total number of positive integers that can be formed from the digits 1,2,3 and 4 if no digit…

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Q: Suppose that the discrete random variable X has cumulative distribution function given by if x < 1…

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A: Given: f(x)=(θ+1)xθ,0&lt;x&lt;10, otherwise

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Q: a) Using a sample size of 75, construct a 95% confidence interval estimate of the mean birth weight…

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Q: A bag contains 5 red balls and 8 blue balls. Each time a ball is selected, its colour is noted, and…

A: Given: A bag contains 5 red balls ad 8 blue balls. Each time a ball is selected, its color is noted,…

Q: In how many ways can we select 6 people out of 12, ?of which a particular person is not included…

A: GivenNo.of people(n)=12No.of people to be selected(r)=6

Q: coin is tossed three times. What is the probability of tossing at least two heads? O b) / Od ²/ Od)…

A: toss coin three times  P(atleast two heads) = ? toss coin 3 times {HHH,HHT,HTH,HTT,TTT,TTH,THT,THH)…

Q: [Q2] The probability distribution for the discrete random variable in the table below. Find: c,…

A: For the given data Find c = ? F(x)= ? P(6&lt;X&lt;=8)=?

Q: If the p. d. f of a random variable X is f(x) = 1,0 ≤ x ≤ 2, then P(X> 1.5|X > 1) is

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