The probability of flu symptoms for a person not receiving any treatment is 0.045. In a clinical trial of a common drug used to lower cholesterol, 53 of 1073 people treated experienced flu symptoms. Assuming the drug has no effect on the
likelihood of flu symptoms, estimate the probability that at least 53 people experience flu symptoms. What do these
results suggest about flu symptoms as an adverse reaction to the drug?

(a) P(X 253) =
(Round to four decimal places as needed.)

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

What is x and y intercepts for y=x+7

Arational number that is equivalent to -20/4?