A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be within 5 percentage points with 90% confidence if a) he uses a previous estimate of 32%? b.) he does not use any prior estimates? N=_

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A: From the provided information, n1=16x1=78.9s1=11.9n2=25x2=87.7s2=19.4α=0.10

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A: given data n=5data score are, 12,8,7,5,8CI=0.90α=1-0.90=0.10first we find out the mean and standard…

Q: Which is the correct hypothesis? A Ho: p = 5.25 Ha: p 5.25 E Ho: μ = 5.25 Ha: μ > 5.25 C Ho: p =…

A: It is given that  Claim: The average cost of eating a meal at home increased.

Q: 9. Ho: σχ/σε = 1 US. Ha:σχ/σy #1

A: Note: According to Bartleby guidelines expert solve only one question and rest can be reposted.

Q: You believe both populations are normally distributed and that the population standard deviations…

A: Given that n1=42,x¯1=50.1,σ1=11.6 and n2=53,x¯2=53.2,σ2=9.5.

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A: Given information: The data is given below, x y 4321 341.3 5012 391.5 5239 399.6 5366…

Q: Use the Table of Descriptive statistics, correlation (r), the standard error of the correlation…

A: From the computation r = 0.724224 zr=0.5ln1+r1-r=0.5 ln1.72420.2758=0.9164 SEzr =1n-3=112-3=0.33 The…

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Q: Based on the results of a repeated-measures ANOVA, a researcher reports F(2, 7) = 1.01, p > .05. The…

A: It is given that a researcher report F2,7=1.01,p>0.05.

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Q: A television sports commentator wants to estimate the proportion of clients who follow professional…

A: Given,margin of error(E)=0.04sample proportion(p^)=0.48

Q: 1. Consider testing the hypotheses Ho: p=0.43 versus Ha: p>0.43. Four possible sample statistics,…

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Q: You believe both populations are normally distributed, but you do not know the standard deviations…

A: Given n1=20,x¯1=60.9,SD1=6.2 and n2=15,x¯2=76.9,SD2=18.6.

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Q: We want to conduct a hypothesis test of the claim that for middle-aged adults the population mean of…

A: GIVEN DATA, X¯=192.7s=19we have to find out the test statistics for the given data.population mean…

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A: Given information: X follows the Binomial distribution n = 25 and p.

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A: Note: As per the Bartelby guidelines only three sub-parts can be answered. Kindly resubmit the…