Question 2 (1 point) BPM 1 131 2 129 3 88 4 100 5 139 6 121 7 93 8 104 In general, the average heartrate of all patients is 82. A new cardiovascular medication was administered to a single group of subjects. The subjects' heartrates (bpm) were recorded above after the medication was administered. The standard deviation of the heartrates was 19.25. What is the expected value of the average heartrate for all patients who receive this medicine? 82 19.25 6.80590276892052 113.12Question 1 (1 point) i 2 3 137 4 102 5 101 6 128 in general, the average heartrate of all patients is 89. A new cardiovascular medication was administered to a single group of subjects. The subjects' heartrates (bpm) were recorded above after the medication was administered. The standard deviation of the heartrates was 20.01. What is the expected value of the average heartrate for all patients who receive this medicine? Question 5 (1 point) (Fill in the blank) Suppose a high-end restaurant has an average bill of $300 with a standard deviation of $80. If the bills of 50 customers were reviewed, we'd expect the average bill amount to be _______ , give or take ___________ . 0 42.426; 80 Q 300; 11.314 Q 300; 80 Q 11.314; 300 Q 300; 1.6 Question 6 (1 point) (Fill in the blank) Suppose the average height of American men is 68 inches with a standard deviation of 3.5 inches. If we were to sample 45 American men, we'd expected their average height to be _________ , give or take _________ . Q 68; 0.522 O 6.708; 35 Q 68; 0.078 O 68; 3.5 O 0.522; 68 Question 7 (1 point) Which of the following statements is true? 0 The expected value of the sample mean increases with the sample size. O The standard error of the sample proportion decreases with the sample size. O The expected value of the sample proportion stays the same when the sample size decreases. O The standard error of the sample proportion's sampling distribution has the sample proportion in its formula. Question 8 (1 point) Which of the following statements is true? 0 The standard error of the sample mean decreases with the sample size. 0 The standard error of the sample mean stays the same when the sample size changes. 0 The standard error of the sample mean increases with the sample size. 0 The standard error of the sample mean does not depend on the population mean. Question 3 (1 point) Suppose the average weight of newborns is 7.375 pounds with a standard deviation of 1.1 pounds. If we sample 50 newborns, what would the standard error of the average weight be? O 0.156 O 0.091 O 7.375 Q 1.043 Question 4 (1 point) Suppose the average weight of newborns is 7.5 pounds with a standard deviation of 1.3 pounds. If we sample 80 newborns, what would the standard error of the average weight be? O 0.145