Hi there #iTeachMath folks.
Need probability help: If 1 snack jar has 12 cookies & 6 pretzels, 2nd jar has 9 cookies & 8 pretzels, if I choose 1 item, what is P(pretzel)??
Is it (1/2)(6/18) + (1/2)(8/17) bc have to choose jar before item?
Or (6+8)/(18+17) bc pretzel/total? seems wrong bc not 1 jar
9 days ago