margin of error calculation error Type I error Type II error 2 pts . estion 7 choice between Z-procedures versus T-procedures is based on whether is wn. (THIS IS A FINAL EXAM. ONLINE HELP DO NOT ANSWER.) he sample standard deviation he sample mean the population mean he population standard deviation estion 8 2 pts add any Oh SSSAT CU NC O ORGANIC ANIC BUCKSme populduon mean O the population standard deviation 2 pts Question 8 It is recommended that you consume at least two servings of fruit a day. A local nutritionist asked 45 randomly selected individuals if they achieved the minimum intake of two servings, and 8 said "Yes." If we wished to estimate the true proportion of those who daily consume at least two servings of fruit, the appropriate 95% confidence interval would be_ (THIS IS A FINAL EXAM. ONLINE HELP DO NOT ANSWER.) One proportion Z-interval Plus 4 Method Z-interval None of the intervals are valid O Two proportion Z-interval Question 9 2 pts A study in 2016 determined that headache symptoms will subside in an average of 2 hours while taking acetaminophen. A new drug on the market is believed to take less time to relieve headache symptoms. Which confidence interval supports the effectiveness of the new drug (ie rejecting the null hypothesis in favor of the alternative hypothesis)? (THIS IS A FINAL EXAM. ONLINE HELP DO NOT ANSWER.) GANISA SSSAM CANI JCVS IC /Take Quiz 2 pts D Question 6 For a hypothesis test, setting a significance level, a , controls the chance of making a. the worst of the two errors. (THIS IS A FINAL EXAM. ONLINE HELP DO NOT ANSWER.) margin of error calculation error O Type | error Type II error Question 7 2 pts The choice between Z-procedures versus T-procedures is based on whether known. (THIS IS A FINAL EXAM. ONLINE HELP DO NOT ANSWER.) is the sample standard deviation the sample mean6 pts Question 10 Once Yifei earned her degree, she applied for 2 jobs and received both job offers. She wants to take the position where she is more likely to earn $60,000. Company A reports that their mean salary is $56,940 with a standard deviation of $7,770 whereas Company B reports a mean salary of $53,500 with a standard deviation of $3,250. Assume that salaries at each company are normally distributed. (THIS IS A FINAL EXAM. ONLINE HELP DO NOT ANSWER.) 2 pts on a FINAL EXAM Rounded to 1 decimal place, the z-score for a salary of $60,000 at Company A would be 2 pts on a FINAL EXAM Rounded to 1 decimal place, the z-score for a salary of $60,000 at Company B would be 2 pts on a FINAL EXAM Which company is she more likely to obtain a salary of $60,000? Fill-in-the-blank with either A or B. NORGEUP ORGANISA INC ANTNone of the intervals are valid Two proportion Z-interval Question 9 2 pts A study in 2016 determined that headache symptoms will subside in an average of 2 hours while taking acetaminophen. A new drug on the market is believed to take less time to relieve headache symptoms. Which confidence interval supports the effectiveness of the new drug (ie rejecting the null hypothesis in favor of the alternative hypothesis)? (THIS IS A FINAL EXAM. ONLINE HELP DO NOT ANSWER.) O (0.95, 1.45) O (2.34, 3.67) O (0.50, 2.12) O (1.95, 2.01) Question 10 6 pts and incaiuAd both ish afford cha wants to tale NIC