In October 2017, the Gallup Poll asked a sample of 10281028 U.S. adults, "Are you in favor of the death penalty for a person convicted of murder?" Suppose that the margin of error needs to be half as large for this poll. How many people must be interviewed? Note that the size of the new sample is denoted by ?.n. Give your answer as a whole or exact numbe

Q: A Pew Research study estimates that 803 million people live in poverty today, after the 2020 global…

A: It is given that 803,000,000 people live in poverty today, out of 7,754,000,000 people worldwide.

Q: I have a width of at m

A:

Q: A random sample of 1000 households was taken and the dollar amount spent monthly on internet service…

A: Given, A random sample of 1000 households was taken and the dollar amount spent monthly on internet…

Q: In a survey of 3229 adults aged 57 through 85 years, it was found that 87.5% of them used at least…

A:

Q: In a survey of 782 human resource professionals, each was asked about the importance of the…

A: >>> If you need more axplanation about the topic kindly send a clarification request ,…

Q: A Sample of 25 cities have been classified as high or low on their homicide rates and on the number…

A: The formula for chi-square is, χ2=∑fo-fe2fe In the formula fo is the observed frequency, fe is the…

Q: A researcher wishes to estimate the number of households with two computers. How large a sample is…

A: Givenconfidence level = 90%Margin of error(E)=2%=0.02p^=0.45

Q: Please do not give solution in image format thanku A confidential survey aims to estimate the…

A: It is given that, a random number between  and  (both inclusive) is to be chosen.For a chosen number…

Q: According to a poll conducted by the Gallup Corporation in March 2011, the metropolitan areas with…

A: Given, according to a poll conducted by the Gallup Corporation in March 2011, themetropolitan areas…

Q: In a survey of 3303 adults aged 57 through 85 years, it was found that 84.8% of them used at least…

A:

Q: The Bata Shoe Museum states that 16% of women wear shoes that are too small for their feet. A…

A: 16% women wear shoes that are too small for their foot. So, proportion of women wear shoes that are…

Q: In a local election, 56.0% of those aged under 40 and 48.8% of those aged over 40 vote in favor of a…

A: Independent Events:Two events are said to be independent if occurrence of one event does not affect…

Q: Please no written by hand solution and no img Statistics from the Port Authority of New York and…

A: Sample size, n=12 Probability of success, p=0.87

Q: Many states are carefully considering steps that would help them collect sales taxes on items…

A:

Q: In a survey of 3386 adults aged 57 through 85 years, it was found that 89.2% of them used at least…

A: 3386 adults aged between 57 and 85 years were surveyed. Proportion p=89.2% of them used at least one…

Q: n IQ test is designed so that the mean is 100 and the standard deviation is 16 for the population of…

A: Given: μ=100, σ=16 and SE=8.   The formula of standard error is SE=zσn

Q: ANOVA df Regression 1 Residual 148 Total 149

A: we know that in the regression analysis the degrees of freedom for total is n-1 where n is the…

Q: It has been estimated that only about 30% of California residents have adequate earthquake supplies.…

A: The sample size (n) is 13 and p = 0.30.

Q: In a survey of 3186 adults aged 57 through 85 years, it was found that 85.9% of them used at least…

A: Given :  In a survey 0f 3186 adults aged 57 through 85 years, it was found that 85.9 % of them…

Q: 524 students from UC Berkeley are surveyed about whether they are from Northern California, Southern…

A: The categorical variable is outcome. We have to find the expected values for each outcome. This is…

Q: What is the wording in the context of this problem for the ry p-hat?

A: The p^ denotes the proportion calculated from the sample, it is the points estimated for the study.

Q: In a survey of 3315 adults aged 57 through 85 years, it was found that 82.4% of them used at least…

A: We have given that  n=3315  p=at least one prescription medication=82.4%

Q: The FiveThirtyEight website did a survey of people about their attitudes about the pandemic and…

A:

Q: In a survey of 3012 adults aged 57 through 85 years, it was found that 81.2% of them used at…

A: Answer: From the given data, Sample size (n) = 3012 Percentage of adults aged 57 through 85 years in…

Q: according to the national household  survey on drug use and health, when asked in 2017, 31.0% of…

A: The National Household Survey on Drug Use and Health (NSDUH) is a comprehensive annual survey…

Q: In a survey of 3066 adults aged 57 through 85 years, it was found that 82.3% of them used at least…

A:

Q: (e) Find a 90% confidence interval for the population proportion p of all adults who bought a…

A: Given: x=868 n=1523 p^=xn=8681523=0.5699

Q: A polling company reported that 53% of 2302 surveyed adults said that they play football. Complete…

A: a. It is given that, according to the survey 53% of 2302 surveyed adults said that they play…

Q: 0.0368 to 0.1032 b. Using a 2% significance level, can you conclude that p, is different from p,?…

A: Given : Claim : p1 is different from p₂

Q: In a survey of 3428 adults aged 57 through 85 years, it was found that 87.6% of them used at least…

A: From the provided information, Sample size (n) = 3428 It was found 87.6% of them used at least one…

Q: If 61% of Americans believe most school textbooks favor political correctness over accuracy, how…

A: Here we have given the information, 61% of Americans believe most school textbooks favor political…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.