SOLUTION: You have a plate of 40 cookies. Ten have chocolate chips and 12 have pecans. Of the cookies mentioned in the preceding sentence, 5 have both chocolate chips and pecans. You select

Algebra ->  Probability-and-statistics -> SOLUTION: You have a plate of 40 cookies. Ten have chocolate chips and 12 have pecans. Of the cookies mentioned in the preceding sentence, 5 have both chocolate chips and pecans. You select       Log On


   



Question 1021861: You have a plate of 40 cookies. Ten have chocolate chips and 12 have pecans. Of the cookies mentioned in the preceding sentence, 5 have both chocolate chips and pecans. You select a cookie at random. What is the probability that your cookie has chocolate chips or pecans?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
So then 40 cookies in all,
10-5=5 only chocolate chip
12-5=7 only pecan
5 both chocolate chip/pecan
So then choosing chocolate chip or pecan,
P=%285%2B7%2B5%29%2F40
P=17%2F40