Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (2.0,3.8) when estimating the mean height (in centimeters) of a sample of seedlings. The estimated margin of error is. The sample mean is

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A: The sample sizes are  and The sample means are  and The sample standard deviations are  and The…

Q: The average retirement age in America is 63 years old. Do small business owners retire at a…

A: 65,59,58,62,60,62,58,69,59,62,71,68,76,57

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A: n=50,x¯=35,σ=8C.I=95%=0.95

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A: probability of U.S children were obese(p)=0.169sample size(n)=20

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A: Given the regression analysis result as

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A: Sample size n = 6086No. of patients with adverse reaction of nausea, x = 161α = 0.10

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A: we find mean of each and ue M/M/c queue model

Q: evices, resulting in the following data. Complete parts (a) through (d) below. ation 1 2 3 4 5 6…

A:

Q: Do political science classes require less writing than history classes? The 43 randomly selected…

A: n1=43,n2=52,x1¯=14.6,x2¯=15.4,s1=5.9,s2=4.5

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A: The given data is as follows:Min wage; xRent;…

Q: I also Need help with part D please

A: The correlation coefficient is 0.8137.

Q: "P(x ≥ 1) = ( ) ( ) ( ) ² + ... + (()* ;) binomcdf ( 2 ) 6.70 рх n 7.29x109 6) At least 1 patient )…

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A: Population mean =14Population standard deviation=0.53

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A:

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A:

Q: 10. A random variable X has the following distribution function: 0 if x < 2, 1/8 if 2<x< 2.5, 3/16…

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Q: You measure 49 randomly selected textbooks' weights, and find they have a mean weight of 49 ounces.…

A: Sample size n=49Sample mean x¯=49Population standard deviation σ = 12.7 ouncesConfidence level = 90%

Q: 11. A recent study claimed that 55% of the population of all college students prefer printed…

A: