OF 30 QUESTIONS REMAINING Question 29 0.25 Points Based on the p-value, make a decision using a = .05. A Reject Ha B Fail to Reject H C Reject Ho D Fail to Reject H 0.25 Points Question 30 Which statement best represents the conclusion? A Conclude with 95% confidence that the population mean college students spend on fast food is more than $35. Conclude with 95% confidence that the population mean college students spend on fast food is more than $40. B There is not sufficient evidence to conclude that the population mean college students spend on fast food is more C than $40. There is not sufficient evidence to conclude that the population mean college students spend on fast food is more than $35.\fQuestion 23 30 OF 30 QUESTIONS RE 0.25 Calculate the test statistic. A -1.846 B -1.717 C 1.717 D 1.846 Question 24 0.25 Calculate the p-value. A 0.9641 B 0.9554 C 0.0446 D 0.0359Suppose you are interested to see if the population mean college students spend on fast food in a week is more than $35. From a random sample of / = 100 students you find a sample mean of X = $40 a week. Assume the population standard deviation is = $ 18. Use this scenario to answer questions 26 - 30. Question 26 0.25 Points State the alternative hypothesis. A Hai H> 40 B Hai H> 35 C Ho: MS 40 D Ho: US 35ath - Hom X View Assessm X FinalHypothesi X N Home - Netflix X IROKOTV | All x My Benefit Re x elearning.kctcs.edu/ultra/courses/_493658170_1/outline/assessment/_43252622_1/overview/attempt/_9716847 58 minutes remaining 30 OF 30 QUESTI Review Content Question 1 A numerical characteristic of a sample is known as what? A Population B Sample C Parameter D Statistic Question 2 The probability of a statistic over all possible samples is known as what? A Sampling distribution B Conditional probability C Complement D Probability distribution MacBook AirQuestion 12 0.25 Poi The z-value used to construct a 99% confidence interval is what? A Z = 1.645 B Z = 1.83 C Z = 1.96 D Z = 2.576\fA survey of /= 3000 individuals registered to vote yields 1320 people who plan to vote for the Democratic candidate. We want to estimate, P, the proportion of all voters who plan to vote for the Democratic candidate. Use this scenario to answer questions 13 - 14. Question 13 0.25 Points Find the point estimate, P. A 0.018 B 0.228 C 0.44 D 0.88 0.25 PointsQuestion 3 0.25 Po In the diagram, 1, 2, and 3 represent sampling distributions of three statistics that might be used to estimate a parameter . Identify the statistic that would be the best estimator. 3 2 A B 2 C WQuestion 18 0. If you had taken a sample of size n = 50, what affect would this have on the confidence interval? A Increasing the sample size increases the level of significance for the interval. B Increasing the sample size increases the standard error and thus increases the width of the interval. C Increasing the sample size decreases the standard error and thus makes the interval more narrow. D Increasing the sample size does not affectthe interval. Question 19 0. The hypothesis that contradicts what you want to prove is known as what? A Null Hypothesis B Alternative Hypothesis C Test Statistic D p-valueIt is known that the percentage of adults who are married is p = /0%. Use this scenario to answer questions 9 - 10. Question 9 0.25 Points Find the mean of all sample proportions, Up, that could be taken from samples of size n = 200. A 0.35 B 200 C 0.70 D 100Question 20 0.25 P The table below allows us to identify the types of errors involved in performing a hypothesis test. Which cells in the table correspond to making an error? Ho is False Ho is True Reject Ho Cell 1 Cell 2 Fail to Reject Ho Cell 3 Cell 4 A Cell 1 is a Type I Error and Cell 4 is a Type II Error B Cell 2 is a Type I Error and Cell 3 is a Type II Error Cell 1 is a Type II Error and Cell 4 is a Type I Error D Cell 2 is a Type II Error and Cell 3 is a Type I ErrorQuestion 10 0 OF 30 QUES Find the standard deviation of all sample proportions, Op, that could be taken from samples of size n = 200. A 0.0324 B 0.0592 C 0.0458 D 0.70 Question 11 What is the level of significance for a 99% confidence interval? A a =.005 B a =.01 C a=.05 D a=.10Question 4 0.25 Poir The standard deviation of the sampling distribution is known as what? A Error Tolerance B Margin of Error C Standard Error D Level of Significance 0.25 Po Question 5 If we sample from a distribution that is not normal, we must have a sample size of at least what in order for our sampling distribution to be approximately normal? 10 B 30 C 50 D 100The tread life of all Jensen radial tires has a mean of M= 44,500 miles and a standard deviation of O= 1900 miles. Use this scenario to answer questions 6 - 8. Question 6 0.25 Points Find the mean of all sample means, Ax, that could be found from samples of n = 40 tires. A 44,500 B 22,250 1900 D 11,125Question 7 MAINING 0.25 Points Find the standard deviation of all sample means, "x, that could be found from samples of n = 40 tires. A 1900 B 950 C 850.7 D 300.4 Question 8 0.25 Points Find the probability that a random sample of n = 40 tires would yield a mean tread life of more than 45,000 miles, P(x > 45,000) A 0.0446 B 0.3821 C 0.6179 D 0.9554Suppose you are interested to see if less than 10% of video gaming youngsters display behavioral signs that indicate addiction. In a poll conducted with a sample size of n = 1179, you find =8.5% displayed signs of addiction. Use this information to answer questions 22 - 25. Question 22 0.25 Points State the null hypothesis. A Ha: P<.10 b ha: p c ho: p2.10 d points the quantity of a type ii error which represents probability rejecting ho when in fact it is false known as what power level significance confidence p-valuein order to estimate population mean ems response time from notification arrival at crash scene urban areas random sample crashes resulted x minutes. assume standard deviation use this scenario answer questions question construct interval for time. poir interpret created we are confident that between and times if you increase affect will have on increasing e thus width interval. decrease make more narrow. increases does not>