Bell Work. 100 people were surveyed for their favorite fast-food restaurant . Write your answers as fractions in simplest form. 1. What is the probability that a person likes Wendy’s? 2. What is the probability that a person picked is a male?
45/100 = 9/20
65/100 = 13/20
A box contains three glazed doughnuts, four jelly doughnuts and five chocolate doughnuts. If a person selects a doughnut at random, find the probability that it is either a glazed doughnut or a chocolate doughnut.
P(glazed or chocolate) = P(glazed) + P(chocolate)
= (3/12) + (5/12) = 8/12=2/3
You pick a crayon from a box with choice of red, yellow, or blue. What isthe probability of picking a red crayon and rolling a 5? This can be illustrated using a tree diagram to get a better understanding.
Karen spun a spinner 50 times and recorded her results in the table below. The spinner had five numbered sections.
What is the theoretical probability of landing on a 1?
What is the theoretical probability of landing on an even number?
What is the experimental probability of landing on a 2?
When you finish turn your paper over, put it in the corner of your desk.
Challenge probability worksheet