A Harris Interactive poll reported that 32.4% of 275 randomly selected Americans living in the west stated that they attend church regularly. Whereas, 57.6% of 264 randomly selected Americans living in the south stated that they attend church regularly.  Based on the results of this poll, can one reach the conclusion that the proportion of Americans who attend church regularly is lower in the west than in the south? Use ! = 5%.

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Q: Assuming the requirements are met for the penny study, what is the lower bound for a 99% confidence…

A: Given that, The sample proportion of 1 and 2 are,

Q: A survey of 62 men found that 12 have a social media account. Another survey of 57 women found that…

A: Men are taken as group 1. Women are taken as group 2.   Given: n1=62x1=12n2=57x2=40α=0.07

Q: A survey of 78 men found that 10 have a social media account. Another survey of 51 women found that…

A: Given Information: Women: Sample size (n1) = 51 Out of which X1 = 26 have a social media account.…

Q: Assuming the requirements are met for the penny study, what is the margin of error for a 95%…

A: given data  n1 = 116    x1 = 80p^1 = x1n1 = 80116 = 0.6897 n2 = 137    x2 = 91 p^2 = x2n2 = 91137 =…

Q: In fall 2014, 34% of applicants with a Math SAT of 700 or more were admitted by a certain…

A: Let A be the event that student had Math SAT of 700 or more Therefore, PA=0.36 find The probability…

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Q: A polling agency claims that over 40% of adults shop for a gift within a week of an event.  In a…

A: We have given that p = 40% = 0.40  n = 2730x = 1130p̂ = x/n = 1130/2370 = 0.4139Significance level…

Q: The median number of part-time employees at fast-food restaurants in a particular city was known to…

A: The median number of part-time employees at fast- food restaurant is 18. There are 7 fast-food…

Q: At the college of science department in a university, 150 were surveyed and 20 of them were found to…

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Q: How would I go about answering this question?

A:

Q: You survey college bound and find that 85% plan to liv eon campus, 35% plan to have a car while at…

A: 85% plan to live on campus 35% plan to have a car while at campus 5% plan to live off campus and not…

Q: The National Safety Board predicts that 500 people will be killed and another 25,000 will be injured…

A: Assume that p as the true proportion of all accidents.

Q: A computer manufacturer conducted a survey. It showed that a younger customer will not necessarily…

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A: We have given a statement problem and we need to find out the response variable.

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Q: The Higher Education Research Institute at UCLA collected data from 302,458 incoming freshmen from…

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Q: A polling company reported that 33% of 2302 surveyed adults said that they play baseball. What is…

A: Given information 33% of 2302 surveyed adults play baseball

Q: Use the Plan, Solve and Conclude steps in answering this question

A:

Q: According to Inc.com, 79% of job seekers used social media in their job search in 2018. Many believe…

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Q: (a) Construct a 95% confidence interval for the difference in the proportion of Republicans and…

A: Number of adults described as "Republican or Leaning Republican" = 651Number of adults described as…

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Q: Suppose a certain virus (sorry!) affects 0.3% of the population. A test used to detect the virus is…

A: 0.3% of 100000 population have virus.  0.3*100000/100= 300  people have virus.  88% have virus and…

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Q: Please answer part E only

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A:

Q: A famous study found that once orchestras switched to blind auditions, the number of women hired by…

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Q: A sample of 425 voters aged 18 – 25 were asked whether they thought Social Security benefits should…

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Q: Maci is a social networking maniac! Although she prefers Instagram, she also spends a lot of time…

A: Introduction A variable is a no., characteristic which can be counted or measured.

Q: A poll tracks the favorite sport of Americans who follow at least one sport. Results of the poll…

A: O means observed values.E means Expected values.Observed…

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Q: A survey reported that 77% of registered voters in California approved of allowing two people of the…

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A: It is given that: n sample size=300p0 claimed proportion=60%p^ sample proportion=65%.

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A: The question is about categorical data analysis.Given :Sample no. of college undergraduates ( n ) =…

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.