Question

A student takes a 20 question true or false exam and guesses on each question. Find the probability of passing if the lowest passing grade is 15 correct out of 20. Would you consider this that likely to occur?

Answer 1

15/20
3/4

Answer 2

so then 1/4 is the probability

Answer 3

the answer is 0.021 but I need to know how to get that answer..

Answer 4

ok you have 15 out of 20 so divide that by 5

Answer 5

divide both

Answer 6

so then you get 3/4 right

Answer 7

so are they asking to get above a 15 out of 20 or under

Answer 8

@mjacksonthree

Answer 9

it is either 3/4 or 1/4 it depends on what there asking @mjacksonthree