Question

Probability question. Question down below..HEELPPP!!!

Answer 1

Only 8% of people have O-negative blood type.
Two people appear independently to give blood. What is the probability that...
i. both have o-negative
ii. at least one of the has O-negative
iii. only one of them has O-negative
(I have the answers, but I don't know which formula to use.)

Answer 2

@esshotwired

Answer 3

@abb0t

Answer 4

@Hero

Answer 5

@robtobey @bibby

Answer 6

@zepdrix

Answer 7

@AccessDenied

Answer 8

@satellite73

Answer 9

@Ashleyisakitty @Squirrels @thomaster

Answer 10

I found out how to do i.

Answer 11

are they independent events? I can't tell