A study done by researchers at a university concluded that 90% of all student athletes in a country have been subjected to some form of hazing. The study is based on responses from 1800 athletes. What is the margin of error and the 95% confidence interval for the study? The margin of error is. (Round to four decimal places as needed.)

Q: In a survey, 16 people were asked how much they spent on their child's last birthday gift. The…

A: Given that : n=16 Standard deviation =$13 Mean = $49 We have to calculate 99% Confidence level :

Q: In a survey, 30 people were asked how much they spent on their child's last birthday gift. The…

A: Solution:

Q: In a survey, 28 people were asked how much they spent on their child's last birthday gift. The…

A:

Q: na survey, 25 people were asked how much they spent on their child's last birthday gift. The results…

A: Given data,

Q: In a survey, 12 people were asked how much they spent on their child's last birthday gift. The…

A:

Q: C. If one is constructing a confidence interval for the mean and the level is 90%, then each tail…

A: c) The confidence level is 0.90.

Q: There are many reasons adults use credit cards. A recent survey found that 66% of adults used credit…

A: 66% of adults use credit cards for convenience.Confidence level is 99% i.e., 0.99.Margin of error is…

Q: In a survey of 2263 adults, 742 say they believe in UFOS. Construct a 95% confidence interval for…

A:

Q: If n = 220,p = 0.4,then what will be the 87.4% confidence interval for the population proportion?

A:

Q: In a survey, 30 people were asked how much they spent on their child's last birthday gift. The…

A:

Q: We would like to know: "What percentage of college students drink alcohol every day?" In a random…

A: Given that, N=500 X=75

Q: p'= α %4 || Margin of Error: E We are 87% confident that the proportion of Americans who feel that…

A:

Q: If n=41n=41, ¯xx¯=36, and s=9s=9, find the margin of error for a 80% confidence level.

A: Answer - Given, Sample size n = 41,    x  = 36    and s = 9               80% confidence interval…

Q: survey, 20 people were asked how much they spent on their child's last birthday gift. The results…

A: Given that  Sample size (n) = 20 The results are normally distributed. (Bell shaped) Sample Mean…

Q: This was a question on my homework and I would like to know if I answered it correctly. Thank you…

A: Odds (O):The “odds” of the occurrence of an event is the ratio of the number of occurrences of the…

Q: In a survey, 32 people were asked how much they spent on their child's last birthday gift. The…

A: Given  sample size n=32 mean x¯=$33 standard deviation s=$12 confidence level =80%,…

Q: one with a 95% confidence level and the other with a 99.7% confidence level. Which interval is…

A: Confidence interval is probability, which refers that population parameter will fall within set of…

Q: In a survey, 24 people were asked how much they spent on their child's last birthday gift. The…

A: From the available information, Sample size, n =24 Sample mean, x = 31 Sample standard deviation, s…

Q: In a survey, 21 people were asked how much they spent on their child's last birthday gift. The…

A: A confidence interval is an interval that is used to estimate the unknown parameter. The lowest…

Q: In a survey, 25 people were asked how much they spent on their child's last birthday gift. The…

A:

Q: In a survey, 21 people were asked how much they spent on their child's last birthday gift. The…

A: It is given that sample mean is 50 and standard deviation is 12.

Q: A poll asked for people's opinion on whether closing local newspapers would hurt civic life. 425 of…

A: We have given that, Favorable cases (X) = 425 and sample size (N) = 1002  Then,  We will fins the…

Q: In a survey, 18 people were asked how much they spent on their child's last birthday gift. The…

A: According to the provided information, Mean = 34 Standard deviation = 12 Significance level = 90%…

Q: In a survey, 18 people were asked how much they spent on their child's last birthday gift. The…

A:

Q: You measure 37 textbooks' weights, and find they have a mean weight of 73 ounces. Assume the…

A: From the provided information, Sample size (n) = 37 Sample mean (x̅) = 73 Population standard…

Q: In a survey, 14 people were asked how much they spent on their child's last birthday gift. The…

A: See the handwritten solution

Q: If n= 220, p-hat= .4, then what will be the 87.4% confidence interval for the population proportion?

A:

Q: In a survey, 30 people were asked how much they spent on their child's last birthday gift. The…

A:

Q: In a survey, 21 people were asked how much they spent on their child's last birthday gift. The…

A: From the provided information, Sample size (n) = 21 Sample mean (x̅) = $46 Sample standard deviation…

Q: In a survey, 20 people were asked how much they spent on their child's last birthday gift. The…

A: Givensample size(n)=20Mean(x)=50standard deviation(s)=19c=90%

Q: Construct a 90​% confidence interval of the population proportion using the given information.…

A: x=240  n=300  p= 240/300 = 0.8 q = 1-p = 1-0.8 = 0.2

Q: In a survey, 25 people were asked how much they spent on their child's last birthday gift. The…

A: Confidence Interval: In statistics, we can say a range of values of the specified population…

Q: In a survey, 32 people were asked how much they spent on their child's last birthday gift. The…

A:

Q: In a survey, 22 people were asked how much they spent on their child's last birthday gift. The…

A: It is given that n=22, x=34 and s=5. At 98% confidence level, the value of z is 2.326.

Q: In a survey, 31 people were asked how much they spent on their child's last birthday gift. The…

A: A 95% confidence interval is required. 31 people were taken for the survey and for those 31 people…