Question

If the probability that a person wears glasses is 0.36 and the probability that a person is afraid of sharks is 0.61, what is the probability that a randomly selected person will wear glasses and be afraid of sharks? Round your answer to the nearest hundredth.


A. 0.49
B. 0.22
C. 0.97
D. 0.25

Answer 1

0.25

Answer 2

OK. Are you sure?

Answer 3

not very ...

Answer 4

OK

Answer 5

@JoannaBlackwelder do you happen to know this one?

Answer 6

To find the probability of both happening at the same time, multiply the probabilities together.

Answer 7

Ok. That would equal .2196. So B is the correct answer?

Answer 8

Yep :-)

Answer 9

thanks so much!

Answer 10

No worries :-)

Answer 11

JoannaBlackwelder why we have to multiply them is it rule or something like that trick..?

Answer 12

Yes, to find the probability that two different things will happen at the same time, multiply the probabilities together every time.

Answer 13

hmmm...so if there are 70% students who eat chocaletes and 60% who eat tophies then those who eat both are ..
A)30%
B)40%
C)10%
D)12%