week earlier. Are the conditions for inference met? Yes, the conditions for inference are met. No, the 10% condition is not met. No, the randomness condition is not met. No, the Large Counts Condition is not met.

Q: c. Would a 90% confidence interval based on this sample be wider or narrower than the 95% interval?…

A: It is given that Sample proportion, p^ = 82% = 0.82Sample size, n = 800

Q: what would be the 90% confidence interval of the true proportion of young adults who have received…

A: Given that sample size is n = 190 And the sample proportion is 70% = 0.7 At 90% confidence level,…

Q: A local news outlet reported that 56% of 600 randomly sampled Kansas residents planned to set off…

A: We have given that,  Sample proportion (p̂) = 56% = 0.56 and sample size (n) = 600 Then,  We will…

Q: A board-game club meets each week at the local library. People bring different board games to play,…

A:

Q: A phase three clinical trial for a new medication proposed to treat depression has 1191…

A: It is an important part of statistics. It is widely used.

Q: A class has 420 students. The final examination is optional—taking it can raise, but cannot lower, a…

A: It is given that sample size (n) is 80 and the number of students would take the final examination…

Q: confidence inferval for the actual percentage of students who want to pursue a college course.…

A: here from given  n = sample size  = 600 x= no of student expressed interest to purchase a college…

Q: he data given to the right includes data from 40 ​candies, and 7 of them are red. The company that…

A: given data, 7- red candies 40-total candies p^=xn=740=0.175CI=0.90α=1-0.90=0.10

Q: A principal of a large high school wants to estimate the true proportion of high school students who…

A: Given information- Sample size, n = 50 For a random sample of 50 students, the 95% confidence…

Q: Suppose I wanted to know the proportion of students who are paying attention in class, so I give a…

A: Confidence Interval for Proportion A confidence interval is a statistical method that denotes a…

Q: A researcher was interested in knowing how many people in the city supported a new tax. She sampled…

A:

Q: In 2017, the CDC administered the Youth Risk Behavior Survey (YRBS) to a random sample of 14,795…

A: The random variable cyber bullied follows normal distribution. The sample size is 14795. The number…

Q: An engineering management intern was tasked with estimating the proportion of late shipments leaving…

A: Number of sample observations n=121number of favorable cases =98

Q: In a sample of 500 Canadians, 275 say they would rather retire in the US than in Canada. Calculate…

A:

Q: If 70 shafts are sampled at random from the batch, what is the probability that the mean diameter of…

A: Let X be the random variable of the diameter of metal shafts produced in a manufacturing…

Q: A health insurance firm wants to estimate the proportion of a population that would receive the flu…

A:

Q: The career center at a large university surveyed a random sample of students who graduated the…

A: First, we need to calculate the proportions of engineering and business majors who were able to find…

Q: in a survey of 499 randomly selected gun owners, it was found that 62 of them said they owned a gun…

A:

Q: confidence interval estimate of the percentage of red candies. What do you conclude about the claim…

A: From provided information, company claims that 29% of candies are red. Out of 41 candies, 9 are red.…

Q: search for the Ford Motor Company, you find that a random sample of 800 households includes 721 in…

A: At 98% confidence level, the z value is 2.33 which can be obtained by using the standard normal…

Q: You drop by your local independent coffee shop on your way to class. While standing in​ line, you…

A:

Q: . Jordan operates a dental practice with 315 patients and she would like to estimate the proportion…

A: Given X=30 n=75 Significance level=1-0.90=0.10

Q: Suppose the round-trip airfare between Boston and Orlando follows the normal probability…

A: Step 1: Given informationMean = $387.20Standard deviation = $68.50The distribution used is normal…

Q: In a random sample of 250 high school students, it was found that 85.2% (213) of them later…

A:

Q: f 260 employees selected randomly from one company, 18.46% of them commute by carpooling. Construct…

A: Given data, n=260 p=18.46% =0.1846 z-value at 98% confidence is Zc=2.326

Q: In a survey of 74 US females, 56 said they had gone to the dentist within the past year. What is…

A: Given X=56 n=74

Q: In a statistics activity, students are asked to determine the proportion of times that a spinning…

A: Given : The students are instructed to spin the penny 10 times and record the number of times the…

Q: Newseek performed a poll in which 567 american patents were asked the question "would you prefer to…

A:

Q: random sample of 1000 people was taken. 450 of the people in the sample favored the candidate B.…

A: Here, random sample is 1000 and 450 people has chosen. We will find 95 % confidence Interval for…

Q: A marketing consultant wants to estimate the proportion of all shoppers at a certain mall who make…

A: n= 132x = 104P^ = xn = 104132 = 0.7879

Q: A student believes that a certain number cube is unfair and is more likely to land with a six facing…

A: Given options are. A) Yes, the conditions for inference are met.B) No, the 10% condition is not…

Q: In a statistics activity, students are asked to determine the proportion of times that a spinning…

A:

Q: Construct a 95% confidence interval for p1 - p2 for a survey that finds 30% of 240 males and 41% of…

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Q: The Pizza Shop wanted to determine what of its customers ordered an only cheese pizza. Out of 90…

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Q: In a sample of 624 applicants to the Durmstrang Institute of Sorcery, 133 were accepted. Construct a…

A: The distribution of proportion is given by a normal distribution. In the given case the sample…