Directions: Answer the problem below. Make a conclusion on a 95% confidence. I The 28 employees of ABC company has a mean travel time of 14.3 kilometer to their work. The standard deviation of the travel time is 2 km. Determine the 95% confidence interval population mean.

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A: Given Ω=Ωdie×Ωdie=ω1,ω2 : ω1=1,2,3,4,5,6 ; ω2=1,2,3,4,5,6

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A: Given that Type A n1 = 35 x1=42 σ1=4.7   Type B n2=35 x2=45 σ2=4.3   l.o.s.=α=0.10

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Q: (a) An indicator of the value of a stock relative to its earnings is its price-carnings ratio. The…

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Q: The probability density function of a continuous random variable is: 4 (1+x) if -1 < x < 0 x < 0) 5…

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A: Given 116.2   115.5   114.7   115.2   115.6

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Q: Refer to the illustration below: 20- 15- 10- 5- 0- What does the height of each rectangle tell us?…

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Q: X~ Bin (₂0) 9. @0, 1 other MSP Posterior probablit 17 (0) Y/N Ⓒ = [0, 1]

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Q: Perform a statistical test for the given problem. Follow the steps in hypothesis testing when you…

A: Use the Two sample Independent t test  Followings are the Steps to perform the two sample t test…

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Q: Let X denote the reaction time, in seconds, to a certain stimulus and Y denote the temperature (◦F)…

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A: Given data: 325, 325, 334, 339, 356, 356, 359, 359, 363, 364, 364, 366, 369, 370, 373, 373, 374,…

Q: What do you understand by the term probability density function? Write down an expression for a…

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Q: "Conservationists have despaired over destruction of tropical rain forest by logging, clearing, and…

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Q: C. Determine the following: 1. Size of class interval 2. Number of respondents/Scores/values 3.…

A: Given Information: 25 40 40 26 27 50 38 28 29 39 39 29 25 31 33…

Q: Find the conditional probability mass functions for the joint density function x₁ = 1,2 y, = 1,2,3…

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Q: INSTRUCTION: Complete the table below by applying hypothesis testing in problem-solving. 1. A…

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Q: 45. Calculate H.M. from the following data. Values 30-40 40-50 50-60 60-70 70-80 80-90 90-100…

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Q: (d) Based on your answer in part (c), what is the probability that the two categories are different?…

A: * SOLUTION :-    Given that ,

Q: A standardized test of intelligence is scaled so that the mean IQ is 100, and the standard deviation…

A: Given that information  Mean = mu= 100  Standard deviation = s =15  Zscore = (x - mu)/s

Q: A. Compute the z for each given the following: 1. Claimed proportion = 0.2, Sample proportion =…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: The U.S. Energy Information Administration claimed that U.S. residential customers used an average…

A: Given X-bar=11156 Mean=10817 Standard deviations=1913 n=174

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Q: 2. The article presents an assessment of the health outcomes of people working in an environment…

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Q: Information has strategic importance for organizations because it can be used to obtain first-mover…

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Q: Find the levels of the Confidence intervals that have the given Critical Values. 1.04 Tipos Allomal…

A: Given Critical value =1.04

Q: oportion. There's a different formula for the margin of error for sample proportio p(1-p) DE = 2*. n…

A: Given N=240 P cap=0.20

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A: Given that Total student =12( 3 Canadians, 2 Japanese, 4 Italians, and 3 Germans)

Q: 43. Find Harmonic mean of the following data Values 2754 475 75 5 0.8 0.08 0.005 0.0009

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Q: Find the area and normal curve between z = -1.71 and z = 0.63

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A: Here's, mean is 35.4 hours and standard deviation is 90 minutes or 1.5 hour. We will use z-standard…

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A: Here's, regarding the denominator used both mortality rate and case-fertility rate.

Q: Consider the following summative scores students: 12 12 14 11 9 8 9 10 15 15 10 7 11 15 12 13 10 ∞∞…

A: Given information: No. of observations=30Variable uner study=Summative score of students

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Q: 1. A magazine claims that the mean amount spent by a customer at Burger Stop is greater than the…

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Q: The board of a major credit card company requires that the mean wait time for customers when they…

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Q: cked ccording to the probability distribution shown in the figure. Regions under the curve are…

A: a) A real number is picked between from 0 to 10.

Q: Calculate P(1.5 < X < 2.5), X~ N(u= 2,0² = 4)

A: It is given that X follows N(mean = 2, SD = √4 = 2), then Z = (X - mean)/SD follows N(0,1)