Suppose a population has a mean of 400 and a standard deviation of 24. If a random sample of size 144 is drawn from the population, the probability of drawing a sample with a mean between 395.5 and 404.5 is closest to

Q: Name Normal Distributions Worksheet (12-7) A set of data with a mean of 45 and a standard deviation…

A: Mean (μ)=45 Standard deviation (σ)=8.3

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Q: =4, H1:8-9. show that the sequential probability ratio test car statistic X7, with a=0.05 and…

A: *Answer:

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

Q: The third decile means that _____.

A: Here use definition of percentile

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A: Since we only do up to three sub parts of a problem, we'll be doing the first three sub parts only.…

Q: State the H0 (null Hypothesis) and H1 (Claim, Alternative Hypothesis). Identify the claim. Determine…

A: Given that  State the H0 (null Hypothesis) and H1 Claim, Alternative Hypothesis  Identify the claim.…

Q: For numbers 12-15, refer to the given problem below. Suppose that the percentage of female…

A: We have given that p = 0.27n = 120x = 45p̂ = x/n = 45/120 =  0.375α = 0.01 The null and alternative…

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A: Reliability analysis in statistics is about measuring consistency of statistical measures.

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A: Given: μ=37n=29x¯=38.4s=5.1α=0.05

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A: From the given information we find correct Option.

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Q: Barron's reported that the average number of weeks an individual is unemployed is 17.5 weeks. Assume…

A: Formula : z = (x̄ - μₓ̄ )/σₓ̄

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A: Solution-: Given data: X: 2,2,3,4,1,5 Y: 95.75,110.19,118.33,150.92,85.86,180.62

Q: WHAT KIND OF SAMPLING TECHINIQUE IS USED IN THE FOLLOWING AND WHY? Financial Stability of Local…

A: Given information: Topic: Financial Stability of Local Businesses in the selected cities of Manila.…

Q: A bus company wants to su for public transit. The comp For each method, describe a) Placing…

A: Sampling is a process of selecting representative subjects or cases of a population into a sample.

Q: The distribution below is… Perfectly normally distributed

A: We know that  The peak is at the middle and represent symmetric distribution then it is normal…

Q: We have the confidence interval:   -0.08 < p < 0.12   and   Ho:  p = 0.04 In the NATDRC test, we…

A: The population proportion is p.

Q: Q1. A sample of size n = 8 drawn from a normally distributed population has sample mean =14.8 and…

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Q: STATISTICS AND PROBABILITY (PLEASE SHOW your COMPLETE & CLEAR solutions) RATE WILL BE GIVEN An…

A: The population standard deviation is 100 seconds;σ=100 At 90% confidence interval ; α=0.10 Margin of…

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Q: For numbers 8-11, refer to the given problem below. Suppose a study found that 68% of the population…

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Q: her estimates that 39 out of every 100 of its online customers is a man who does not live within 50…

A: Given: P(A) = 0.78 P(M and A) = 0.39 A : online customers do not live within 50 miles of one of its…

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A: It is given that the statement about to the Chi-Square test for independence. Here, need to find out…

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A: From the given information, There are two variables: undergraduate major (Biology or Psychology) and…

Q: Solve step by step in digital format Suppose that the average income of the engineers hired at…

A: Given: μ = 17000 σ = 3000   Formula Used: Z-score = X-μσ

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A: Obtain the amount above for which customer would receive a free gift. The amount above for which…

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A: The provided information is: Sample size(n)=40Sample mean(x¯)=294Population standard…

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A: Given information: x P(x) 0 14 1 12 2 14 Sum 1

Q: 2. In a study examining the effect of stress on child development, the data collected on the stress…

A: The following information has been given: Age 2 Age 5 Age 7 Age 9 6 12 12 10 8 14 15 10 10…

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A: Given that Table for time taken to work for 50 people. Time spent  Repetition Less than c.f.…

Q: A) 0.3413 B)0.8413 C) 0.13 Q7. If 25 residents are randomly selected from this city, the probability…

A: It is given that  Mean, μ = 69 Standard deviation, σ = 6   Note: According to Bartleby expert…

Q: 11.1 Events A and B are independent .Given that ● P(A only) = 0.4 P(A and B)= 0.3 P(B only) = x…

A: Given that events A and B are independent events  And P(A only) =0.4 P(A and B) =0.3 [intersection…

Q: Please also explain why you determined whether or not the results are statistically significant. The…

A: The sample size is 137 and the correlation between two variables is -0.78.

Q: A survey was conducted for 100 grade ten students about their grades for the third grading period. T…

A: n= 100 Di=L + i*n10-cff.c

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A: With the help of data and scatter plot, we need to answer given questions.

Q: C) Z> 1.96 Q13. If n = 32,0 = 5.15, = 26.2, a = 0.1. In t A) Z> 1.645 B) Z 1.645 D) Z 1.96

A: Given that  Two events A and B  are independent.  Then P(A ∩ B)=P(A).P(B)

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Q: 7. mean = 60; standard deviation = 6

A: According to policy we supposed to answer first question kindly repost for remaining

Q: Sample 3,3 3,4 3.5 3,9 4,3 4.4 4,5 4,9 Sample mean 3 3.5 4 6 3.5 4 4.5 6.5 Sample 5,3 5,4 5,5 5,9…

A: Since, the question number is not specified, we'll be answering the first question only. Please…

Q: Q1. A sample of size n = 8 drawn from a normally distributed population has sample mean x = 14.8 and…

A: