Question: QUESTION 8 The student breaks taken during a class session are normally distributed with a mean of 6.3 minutes and a standard deviation of 2.2


QUESTION 8 The student breaks taken during a class session are normally distributed with a mean of 6.3 minutes and a standard deviation of 2.2 minutes. Find the probability the longest 10% of student breaks last. 0 0.3745 O 0.6759 0 9.116 O 0.1469 QUESTION 9 X is normally distributed with mean 60 and standard deviation 12. What value of X is such that only 10% of values are below it? 0 0.3745 O 0.9987 O 44.88 O 44.62 QUESTION 10 A camera's shutter clicks are estimated to last for 5,000 clicks are normally distributed with a mean of 5,100 clicks and a standard deviation of 200 clicks. What is the probability that the camera shutter clicks lasts longer than its estimated clicks? O 0.3745 O 0.6915 O 9.116 O 0.1333 QUESTION 11 An exam grade data for a statistics class has been observed to have a mean of 36.12 and standard deviation of 3.53. What is the probability that the exam scores are at least 37? O 0.3745 O 0.9987 O 0.4013 O 0.5987
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