Suppose the college is considering a new computerized placement test, which has 50% of all students taking remedial arithmetic.
Answer the following probabilities, you may round each to three decimal places.
a. If 18 randomly chosen students take the placement test, what is the probability that exactly twelve of them will have to take remedial arithmetic?
Correct
b. If 18 randomly chosen students take the placement test, what is the probability that at least ten of them will have to take remedial arithmetic?
Incorrect
c. Of 18 randomly chosen students taking the placement test, what is the probability that at most six of them will have to take remedial arithmetic?
Answer the following probabilities, you may round each to three decimal places.
a. If 18 randomly chosen students take the placement test, what is the probability that exactly twelve of them will have to take remedial arithmetic?
Correct
b. If 18 randomly chosen students take the placement test, what is the probability that at least ten of them will have to take remedial arithmetic?
Incorrect
c. Of 18 randomly chosen students taking the placement test, what is the probability that at most six of them will have to take remedial arithmetic?