Find the margin of error for the given values of c, s, and n c=0.99 s=3.1 n=8 The margin of error is ____

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A: (a) Obtain the distribution of sample proportion. The distribution of sample proportion is obtained…

Q: Group of answer choices p = 0.3800 p = -0.1500 p = 1.1500 p = 0.5635

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Q: P(z < c) = 0.4311 Find c rounded to two decimal places.

A: Obtain the value of c. The value of c is obtained below as follows:

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A: Formula Used: Test-statistic for unequal standard deviations. Test-statistic t = X1 - X2s12n1+s22n2…

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A: It is given that  Population mean = 7520 Sample mean = 7310 Population standard deviation = 980…

Q: We randomly select a batch of 40 computer disks for shipment. The probability of selecting a good…

A:

Q: You have to examine the relationship between the age and price for used cars sold in the last year…

A: Given : No. of observation (n) = 11 Car Age (in years) Price (in dollars) 4 6300 4 5800 5…

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Q: A medical research team wished to e The test showed 34 negative results diabetic patients. While it…

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Q: The bottom 80% of a normal distribution is below what z-score? Group of answer choices Z = +0.84…

A:

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A: Given data,Mean μ=10.6sd  σ=2P(X&lt;10.4)=?

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A:

Q: The distribution of population of grade point averages at a college has 2.71 and standard deviation…

A: Given that, μ=2.71σ=0.4n=100 The probability that the sample mean of grade point averages will be…

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A: Given: The probability of defective item, p is 0.24

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A: Assume that µ is the true mean wake time for a population with the drug treatment.

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A: The given data is X P(X) 0 0.05 1 0.3 2 0.15 3 0.5

Q: f, in a sample of n=107 selected from a right​-skewed ​population, X=62 and S=21​, would you use the…

A: The following information has been given: The sample size is n=107. The sample mean is x¯=62. The…

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A: From the given information, three investor's value in thousands for each of the three pieces of the…

Q: Which of the following would decrease the margin of error?

A: Here Given  Sample Size=100 95% Confidence Interval of true proportion of animals adopted each month…

Q: ot clear to me how did you find questio

A: Given: Mean years of service = 14.88889

Q: You are the manager of a restaurant for a​ fast-food franchise. Last​ month, the mean waiting time…

A: Given datan=81x¯=3.59s=0.9μ=3.7

Q: In a study of speed dating, male subjects were asked to rate the attractiveness of their female…

A: Given n=12 7,9,3,9,6,6,7,8,7,10,3,8 90%CI

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A: Given that d=19.00 and sd=35.50 The 99​%confidence interval is from ____ eighths of an inch to_____…

Q: Construct the confidence interval for the population mean.

A: Answer:

Q: 3. Two events A and B are such that P (A) = 0.6, P (B) = 0.4 and P(A/B) = 0.2 Find a) P(ANB) b)…

A: it is given that  P(A) = 0.6 P(B) = 0.4 P( A/B ) = 0.2   Note: According to Bartleby expert…

Q: A statistics teacher believes that the final exam grades for her business statistics class have a…

A: Given Normal distribution with  Mean =82   SD =8 We have to answer for mentioned questions

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A:

Q: What is the statistical​ decision? Determine the​ p-value.   The​ p-value for the given ZSTAT is…

A: Given that Z = 0.75 number of samples=400 number of defective =86

Q: 5)The Internal Revenue Service reports that the mean federal income tax paid in the year was $8040.…

A:

Q: 7. Suppose random variables X and Y are independent. Let g(z) and h(y) be any bounded measurable…

A: The Given Random variables X and Y are independent. To show that CovgX,hY=0.

Q: The 20th percentile of weigh is the number of inhabitants ΟΟΟ O200 inhabitants. 320 inhabitants.…

A: Given: number of inhabitance (n)=160020th percentile = 80 kg

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A: Given that data  11, 3, 15, 22, 26, 28, 15, 11, 6, 11, 4, 22, 5 Mean = sum of all observations/total…

Q: Use the given data set to complete parts (a) through (c) below. (Use a=0.05.) 10 9.14 y a. Construct…

A: Scatterplot: A scatterplot displays the association between two non-causal factors using a graph. It…

Q: Assume that a sample is used to estimate a population mean u. Find the 80% confidence interval for a…

A: According to the given information, we have Confidence level = 80% = 0.80 Sample mean = 66.7…

Q: A simple random sample from a population with a normal distribution of 105 body temperatures has…

A: Given n=random sample=105 Mean=X=98.30 Standard deviation=s=0.63 Confidence interval=99%

Q: Use the t-distribution to find a confidence interval for a mean u given the relevant sample results.…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Recently, a large academic medical center determined that 9 of 18 employees in a particular position…

A: Given : Recently survey conduct : Where conclude that 9 of 18 employees in a particular position…

Q: ers", as defined by a profe anization, was questioned

A: From the random sample of 2000 likely voters  1116 felt that the economy state was the most urgent…

Q: 4. Determine whether the following argument is an example of inductive reasoning or deductive…

A: Inductive reasoning is the act of making generalized conclusions based on specific scenarios.…

Q: In a box, there are 8 red, 7 blue and 6 green balls. One bal' is picked up randomly. What is the…

A: In a box,there are 8 red , 7 blue and 6 green balls.total number of balls in a box=21

Q: A machine that dispenses coffee is calibrated such that the machine on average dispenses 7.0 ounces.…

A: Given information Sample mean x̅ = 7.4 ounces Population mean µ = 7.0 ounces Sample size n = 10…

Q: confidence level of 99% with a sample size of 28, find the critical t value.

A: Given data, Sample size n=28 confidence level =99% =0.01 find the critical t value.

Q: What are the hypotheses for the​ t-test? Let population 1 be weights before therapy and let…

A: Given data: Before After 82.1 93.0 84.7 89.1 81.3 91.7 85.4 99.5 78.4 77.0 86.0 98.4…

Q: A special diet is intended to reduce systolic blood pressure among patients diagnosed with stage 2…

A: Given data,The Null Hypothesis is H0:μ≥150The Alternate Hypothesis is Ha:μ&lt;150n=28x=142s=20Find…

Q: How did you (1) get the x-table number (please show step by step without taking short-cuts. (2) how…

A: From the given information, it can be written as P33&lt;X&lt;43=0.40. Note that Z=X-μσ. Let us…

Q: and thus has customers in this new territory. They are interested in the default rate in their new…

A: Given n1=69 n2=106 X1=59 X2=74

Q: a) Identify the hypothesis null and alternative (Ho and Ha). b) Compute test statistic (Z).

A: Given: Population mean, μ =5Population standard deviation, σ=3Sample size, n=40Sample mean, x¯=4