Question
a number is picked from the set (1,2,3,_,18).find the probability that it is either a multiple 3 or a number less than 7. find an answer it
Answers
Steve
answered in a related question below.
Reiny
Actually looking back at my answer in the Related Question, I see that I made an error
The logical connector was OR , so
multiples of 3 : 3,6,9,12,15,18
or
less than 7: 1,2,3,4,5,6
can't count the 3 and 6 twice, so there are 10 such numbers
prob = 10/18 = 5/9
The logical connector was OR , so
multiples of 3 : 3,6,9,12,15,18
or
less than 7: 1,2,3,4,5,6
can't count the 3 and 6 twice, so there are 10 such numbers
prob = 10/18 = 5/9