Question: V Question 8 [2 points] The confidence coefficient for a 95% level of confidence is 1.984 for 99 degrees of freedom. A random sample of

V Question 8 [2 points] The confidence coefficient for a 95%

V Question 8 [2 points] The confidence coefficient for a 95% level of confidence is 1.984 for 99 degrees of freedom. A random sample of people admitted with pneumonia are selected and their white cell count is measured (in units of 109 cells per L). The sample mean is 16.3 and with a sample standard deviation of 4. What is the confidence interval in this case? a.(15.1, 17.1) b.(15, 17) c.(15.5, 17.1) d.(16.1, 16.5) e.(14.3, 18.3)

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