Asked by jacqueline
if the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 0.20, what are the odds against a direct hit?
1 : 0.20 I :19 i think its like this way?
1 : 0.20 I :19 i think its like this way?
Answers
Answered by
Ms. Sue
1.0 - 0.2 = 0.8
Answered by
Reiny
The concept of odds is slightly different from probablity
the odds in favour of some event
= prob of the event happening : prob of the event NOT happening
so, prob of direct hit = .2
prob of no direct hit = .8
odds in favour of no direct hit = .8 : .2
= 8:2
= 4 : 1
the odds in favour of some event
= prob of the event happening : prob of the event NOT happening
so, prob of direct hit = .2
prob of no direct hit = .8
odds in favour of no direct hit = .8 : .2
= 8:2
= 4 : 1