A statistics practitioner took a random sample of 48 observations from a population whose standard deviation is 25 and computed the sample mean to be 105. Note: For each confidence interval, enter your answer in the form (LCL, UCL). You must include the parentheses and the comma between the confidence limits. A. Estimate the population mean with 95% confidence. Confidence Interval= B. Estimate the population mean with 90% confidence. Confidence Interval= C. Estimate the population mean with 99% confidence. Confidence Interval =

Q: For two events, M and N, P(M)=0.4, P(N|M) = 0.7, and P(N|M')=0.2. Find P(MIN'). P(MIN') = (Simplify…

A: For two events M  and N, the given probabilities are as follows, P(M)=0.4P(N|M)=0.7P(N|M')=0.2 Since…

Q: Suppose that team A and B played 12 games of chess of which 6 are won by A, 4 are won by B and 2 end…

A: Given : n=3 p=412=13

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A: To find the PDF of U = X + Y + Z, we will use the method of transformation of variables. First, we…

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A: Answer  Given  P [A] =0.3 P [B] =0.4 A and B are independent.

Q: Each of the letters A through J are printed on tiles that are placed in a hat. Andre selects a tile…

A: Each of the letters A through J are printed on tiles that are placed in a hat. Andre selects a tile…

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A: Answer: From the given data, Mean (μ) = 11.6 Standard deviation (σ) = 0.8 X follows normal…

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A:

Q: Setting M = max(X,Y), thus the distribution table of Mis (

A: here given joint probability distribution of x and y M = max(x,y)

Q: 4. Suppose that the probability density function of X is f(x) = {3x² 0<x< 1 0 elsewhere Determine P…

A: The required probability is,

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A: The experiment is rolled two dice. The event A is the sum is 7 The event B is neither die came up 6…

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A:

Q: (1) AB; (2) AUB; (3) A B;

A: as per guidelines i have calculated 3 subparts , plz repost for remaining . Here Given   A= {x | 0.5…

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Q: (c) Consider a normal random variable X of unknown mean #x and a normal rando variable y with known…

A:

Q: an advanced performer or a beginner?

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Q: (a Find the moment-generating function of X 2 Geom(p).

A:

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Q: Find the value of the constant c. Find P(YX). Find P(Y = X).

A: The probability mass function (PMF) of random variables X and Y is pX,Y(x,y)=c(x+y)2if x∈1,2,4 and…

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A: A                    B                    C                   Total D…

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A: From the given information,

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A: The symbol  Φ.

Q: Statistics Canada wants to know the unemployment rate in Vancouver during any part of last year. How…

A: confidence level=90% Margin of error(E)=0.012

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A: As asked by you, I have answered questions a,b and c.

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A: Margin of error(E)=0.04 Assume sample proportion(p^)=0.05

Q: The probability distribution for the daily sales at Spartan, Inc., is given below. Daily Sales…

A: Daily sales($1000s) probability 40 0.1 50 0.4 60 0.3 70 0.2

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A: Let X be the random variable from normal distribution with mean (μ) = 14, standard deviation (σ) = 5…

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A: A committee is to consist of chair , two hagglers and three do nothings. The committee is formed by…

Q: Compute the indicated quantity. P(B) = = P(A/B) = 0.4, P(AB) = 0.3. Find P(B).

A: P(A|B) = 0.4, P(A ∩ B) = 0.3 then,  We will find P(B) = ?

Q: Outcome Probability What is the probability of rolling less than 4? HINT [See Example 3.] 3 5 6

A:

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A: Probability density function of X is p(x)=(1/3)×e-(1/3) , x≥0

Q: Given the following information, n = 36, x = 60, s = 12 H0: ? ≥ 69 Ha: ? < 69 what is the test…

A: From the provided information, n = 36, x = 60, s = 12 H0: µ ≥ 69 Ha: µ &lt; 69

Q: Suppose two events A and B are independent, with P(A) = 0 and P(B) = 0. By working through the…

A: P(A) ≠ 0 P(B) ≠ 0

Q: Use normal approximation to estimate the probability of getting less than 54 girls in 100 births.…

A: n=100, p=1/2

Q: On letter B, how did you get 0.2931? I tried a couple of different things on the calculator but I…

A: Mean(µ) = 2847Standard deviations (σ) = 621X ~ N (µ, σ )= N(2847,621) Note: in this problem round…

Q: 3. An art dealer receives a shipment of five old paintings from abroad, and, on the basis of past…

A:

Q: Which of the following two events is more likely? (a) With four throws of one die, throw at least…

A: Which of the following two events is more likely:-(a) With four throws of one die, throw at least…

Q: Test the claim that the proportion of men who own cats is significantly different than 50% at the…

A: given data claim : p ≠ 0.5n = 200p^ = 0.49α = 0.02

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Q: 3. 11th and 12th grade students at Fairlawn High S The results of the survey are recorded in the…

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A: given data, 12-red 15-blue27-total carsan 11-car group be selected consisting of seven red and four…

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A: [a]  All the possible sets could be:- (AA,MM,AM,MA) it is similar to two side of coins like heads…

Q: Supply the missing quantities. Outcome P(An E) = P(An F) = P(BNG) = P(BH) = = 0.2 0.1 Figure A B U…

A: The tree-diagram with missing quantities are given