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Spring 2022 - Math 1342.214 STATS (Thurs) : F III = Question 1, 8.1.5 Part 1 of 2 HW Score: 3.57% 0.5 of 14 points O Points: O of 1 Claim: A minority of adults would erase all of their personal information online if they could. A software firm survey of 578 randomly selected adults showed that 38% of them would erase all of their personal information online if they could. Complete parts (a) and (b) below. a. Express the original claim in symbolic form. Let the parameter represent the adults that would erase their personal information. (Type an integer or a decimal. Do not round.)

Spring 2022 - Math 1342. 214 STATS (Thurs) : HW Score: 3.57%, 0.5 of 14 points Question 2, 8.1.7 Part 1 of 2 > Save Homework Overview pints: O of 1 Claim: The mean pulse rate (in beats per minute) of adult males is equal to 68.6 bpm. For a random sample of 168 adult males, the mean pulse rate is 68.4 bpm and the standard deviation is 11.4 bpm. Complete parts (a) and (b) below. a. Express the original claim in symbolic form. bpm (Type an integer or a decimal. Do not round.)

Spring 2022 - Math 1342. 214 STATS (Thurs) Bo Question 3, 8.1.8 Part 1 of 2 HW Score: 3.57%, 0.5 of 14 points O Points: O of 1 Save Claim: The standard deviation of pulse rates of adult males is more than 11 bpm. For a random sample of 138 adult males, the pulse rates have a standard deviation of 11.8 bpm. Complete parts (a) and (b) below. a. Express the original claim in symbolic form. bpm (Type an integer or a decimal. Do not round.)

Spring 2022 - Math 1342.214 STATS (Thurs) Question 4, 8.1.13 HW Score: 3.57%, 0.5 of 14 points O Points: O of 1 Save Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 505 randomly selected adults showed that 56% of them would erase all of their personal information online if they could. Find the value of the test statistic. The value of the test statistic is : (Round to two decimal places as needed.)

Spring 2022 - Math 1342. 214 STATS (Thurs) : Question 5, 8.1.15 HW Score: 3.57%, 0.5 of 14 points O Points: O of 1 Save Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random sample of 141 adult males, the mean pulse rate is 68.4 bpm and the standard deviation is 11.4 bpm. Find the value of the test statistic. The value of the test statistic is (Round to two decimal places as needed.)

Spring 2022 - Math 1342.214 STATS (Thurs) Question 6, 8.1.17 Part 1 of 3 HW Score: 3.57%, 0.5 of 14 points O Points: O of 1 Save The test statistic of z = 2.33 is obtained when testing the claim that p>0.2. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of a = 0.10, should we reject He or should we fail to reject H? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. This is a test.

Spring 2022 - Math 1342.214 STATS (Thurs) Question 7, 8.1.22 Part 1 of 2 HW Score: 3.57%, 0.5 of 14 points o Points: O of 1 Save The test statistic of z= -1.95 is obtained when testing the claim that p<0.74. a. Using a significance level of a = 0.05, find the critical value(s). b. Should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. The critical value(s) is/are z = (Round to two decimal places as needed. Use a comma to separate answers as needed.)