Score: 0 of 1 pt 9 of 19 (13 complete) HW Score: 56.58%, 10.75 of 19 pt 6.7.16 Q

Question

Score: 0 of 1 pt 9 of 19 (13 complete) HW Score: 56.58%, 10.75 of 19 pt 6.7.16 Question Help y of flu symptoms for a person not receiving any treatment is 0.02. In a clinical trial of a common drug used to lower cholesterol, 21 of 938 people treated The experienced flu symptoms. Assuming the drug has no effect on the likelihood of flu symptoms, estimate the probability that at least 21 people experience flu symptoms. What do these results suggest about flu symptoms as an adverse reaction to the drug? (a) PX221)(Round to four decimal places as needed.)

Explanation / Answer

Given n = 938

P = 0.02 then by using binomial distribution,

P(x>/=20) = 1-p(x<20)

= 1-p(x</=19)

=1- binom.dist(19,938,0.02) ( By using Excelfunction)

= 1-0.58269

= 0.41731

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