Blackboard A Wwwwwwwwwwwwwwwwwwwwwwwwwww Attempts Force Completion This Test Can Be Saved And Resumed At Any Point Until 1 (44.07 KiB) Viewed 117 times
Blackboard A wwwwwwwwwwwwwwwwwwwwwwwwwww Attempts Force Completion This test can be saved and resumed at any point until time has expired. The timer will continue to run if you leave the test. Remaining Time: 1 hour, 12 minutes, 58 seconds. Question Completion Status: 1 2 7 8 9 10 11 12 13 14 15 16 17 18 19 Close Window Moving to another question will save this response. Question 12 of 19 Question 12 5 points Save Answer A normal population has a mean of 75 and a standard deviation of 8.You select a sample of 36. Compute the probability that the sample mean is between 74 and 76. (Select the nearest answer) 0.7734 0.2266 0.5468 0.3244 Moving to another question will save this response. Question 12 of 19 >>> Close Window
Blackboard A This test can be saved and resumed at any point until time has expired. The timer will continue to run if you leave the test. Force Completion Remaining Time: 1 hour, 12 minutes, 53 seconds. Question Completion Status: 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Close Window 5 points Moving to another question will save this response. Question 13 of 19 >>> Question 13 Save Answer A researcher found that in a random sample of 65 old people the average number of jobs they had was 7.3. If the variance of the population is 4.84, which of the following is the 98% confidence interval for the population mean? 6.66 cu < 7.94 6.77 <u <8.03 6.88<u<8.32 7.04<u<8.56 Moving to another question will save this response. Question 13 of 19 >>> Close Window
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