Imagine a Surgery That Is Known to Have a 10

Multiple Choice

Imagine a surgery that is known to have a 10% chance of serious side effects. An internal hospital review shows that 4 out of 8 of a particular doctor's patients have these side effects. If we conducted a binomial test of whether this doctor's patients are experiencing usually low or high rates of side-effects, what would our conclusion be?

A) We fail to reject the null hypothesis and therefore conclude that the rate of side effects for this doctor differs from the usual 10%.
B) We fail to reject the null hypothesis and therefore conclude that the rate of side effects for this doctor does not seem to differ from the usual 10%.
C) We reject the null hypothesis and therefore conclude that the rate of side effects for this doctor differs from the usual 10%.
D) We reject the null hypothesis and therefore conclude that the rate of side effects for this doctor does not seem to differ from the usual 10%.