OK Mastering the OSTP in Grade 8 math Chapter 11

Mrs. O’Brien was looking for a way to have fun the day before Spring Break. She decided to "Spin the Day Away." Looking at the spinner below, what is the probability of the first spin landing on either art or cleaning? Express your answer in fraction form.

Some kittens just woke up from their nap. Looking at the basket below, what is the probability that a kitten with only black fur will be the first one to jump out of the basket? Round to the nearest hundredth. Select all that apply.

In a cookie jar containing 6 chocolate chip cookies, 8 wafer cookies, and 10 double chocolate cookies, what is the probability that a person who isn’t looking while picking out one cookie, will get a chocolate chip cookie?

Rita and Rose were sharing a bag of jelly beans. The bag contained 52 orange jelly beans, 63 lime ones, 72 cherry ones, 28 lemon ones, and 65 pink ones of an unknown flavor. If Rita closes her eyes and pulls out the first jelly bean, what is the probability that the jelly bean she picks is a lemon one?

Carrie bought a basket of 60 apples. When she got home, she noticed 4 of the apples were rotten. If she goes back to buy 200 more apples, how many rotten apples should she expect?