When 410 college students were surveyed,150 said they own their car. Find a point estimate for p (p-hat), the population proportion of students who own their cars.

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A: we are given that 24% people consider summer as their favourite season (p) = 0.24 to find  number of…

Q: The failure rate for taking the bar exam in Philadelphia is 41%.  If 375 people take the bar exam,…

A: Given that, The failure rate for taking the bar exam in Philadelphia is 41%  i.e. probability, p =…

Q: 110 students at a college were asked whether they had completed their required English 101 course,…

A: Total students = n = 110,  Number of students completed English 101 course = x = 81.

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A: Given information: Total number of students at a collage(n)=100. Number of students say "yes"…

Q: What fraction of survey respondents identified themselves as Republicans? What fraction of survey…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks Given :

Q: Out of 200 people sampled, 28 said they prefer Coke over Pepsi. What is the point estimate for the…

A: From the given information, x=28n=200 Point estimate: p^=xn=28200=0.14

Q: When 345 HS students were surveyed, 125 said that they completed a driver's education class prior to…

A:

Q: 99 students at a college were asked whether they had completed their required English 101 course,…

A: The point estimate of population proportion is sample proportion.

Q: 104 concert-goers at the Glass House in Pomona, California were asked if they know how to play an…

A: Here it is given that- Number of concert goers  = 104 Number of concert goers who can play an…

Q: 103 students at a college were asked whether they had completed their required English 101 course,…

A: It is given that, 103 students at a college were asked whether they had completed their required…

Q: Suppose r is .84, compute proportion of variation is explained?

A: From the given information, it is observed that r=0.84.

Q: In a sample of 508 men who worked at home, 32% of them were college graduates. a.) Among the 508 men…

A:

Q: The mean weight of 32 math students is 42.6 kg. If the students could all stand on the scale…

A: Given that ; The mean weight of 32 math students is 42.6 kg. If the students could all stand on the…

Q: The median yearly salary for a police dispatcher in a large city was $44,528. If the 25th percentile…

A: a. The median yearly salary for a police dispatcher in a large city was $44528.

Q: Report the proportion of the 370 students based on mobile phone brands as a percentage. Apple  269…

A: The percentage of a category can be calculated by dividing the frequency of the category by the…

Q: When 500 junior college students were surveyed,120 said that they have previously owned a…

A: When 500 junior college students were surveyed,120 said that they have previously owned a…

Q: 110 students at a college were asked whether they had completed their required English 101 course,…

A:

Q: Provide an appropriate response. When 390 junior college students were surveyed,115 said that they…

A: It was given that 115 out of 390 junior college students have previously owned a motorcycle.

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A: The point estimate of population proportion is sample proportion.

Q: Among the 2302 respondents, 56 said they have more than five tattoos. What percentage of respondents…

A:

Q: A random sample of 302 Californians found that 129 support Measure A. Build a 88% Cl for the…

A: Given that  Random sample size (n) = 302 Supported measure A = 129   Sample proportion (p) =…

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A: Given,     The objective is to find the best point estimate for the proportion of students at the…

Q: if the whale is 48 feet is it an outlier?

A: here use basic of Normal distribution

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Q: of the population have high school scores less than 77?

A:

Q: 114 students at a college were asked whether they had completed their required English 101 course,…

A: Point estimate: The population parameter which is estimated by using sample statistic is termed as…

Q: 81 students at a college were asked whether they had completed their required English 101 course,…

A: The number of students said yes (x) is 54 and the sample size (n) is 81.

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A: Given: Mean=53000Median=27000

Q: The percentage of buyers who paid between $14,000 and $22,000 is %.

A: Let , X→N(μ=18000 , σ=2000) By  using 68-95-99.7 rule ,  We want to find the P(14000<X<22000)…

Q: what proportion of 112 is 21?

A: It is needed to find the proportion of 112 that is equal to 21.

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A: Given that  Margin of error =E =1%=0.01 95% confidence.

Q: In the population, the mean SAT score is 1000. Would you be more likely (or equally likely) to get a…

A: Given that the population mean is 1,000 and the samples sizes selected are 10 and 30.

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Q: The symbol p refers to percentage. O True False

A: We want to tell you above statement is true or false.

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Q: 86 students at a college were asked whether they had completed their required English 101 course,…

A: Point Estimate of Population proportion (P) = p^ = xn

Q: 82 students at a college were asked whether they had completed their required English 101 course,…

A:

Q: Find the sample proportion, p-hat. When 410 college students were surveyed,150 said they own their…

A: Given, The objective is to find the point estimate for p (p-hat), the population proportion of…

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A: A hotdog vendor receives a Php 50 bill for a Php15. 50 purchase.   To find the amount of change, we…

Q: 85 students at a college were asked whether they had completed their required English 101 course,…

A: Best point estimate:The best point estimate of population proportion is the sample proportion.

Q: The national profession exam for registered nurses, the NCLEX, has pass a rate of 85% for the first…

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Q: 114 students at a college were asked whether they had completed their required English 101 course,…

A: From the provided information, the total students of collage (n) = 114The number of students who…

Q: hair

A: X% of y = x/100 * y

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A: Given: Total number of students in college were asked whether they had completed their required…

Q: According to the Business and Financial Times newspaper, through January 25, 2018, majority of…

A: Given that there are 162 companies. The number of companies showed beat estimates is 104. The number…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.