Andy makes $50 in tips on Monday as a waiter. On Tuesday, his tips increased by 10% of what he made on Monday. On Wednesday, his tips decreased by 15% of his tip amount from Tuesday. What is the total amount of money Andy made from Monday-Wednesday in tips? Bellwork: Friday

Bill used 55% of his savings account buying a new bike. He has $200 left. Show much money Bill spent on his bike? Bellwork: Thursday

How many total outcomes? ___________ __________

PROBABILITY PRACTICE Review for Test

Question 1 Brock has a basket of hot wheel vehicles: trucks, cars, jeeps, tractors and SUV’s. If he chooses a vehicle from the basket without looking, the probability of choosing trucks is 1/5, cars 1/2, jeeps 1/10, and SUV’s 3/20. Which describes the probability of choosing a tractor from the basket without looking? A. Neither likely nor unlikelyC. certain B. UnlikelyD. likely

Question #2

Question #3 ◦ Jason has a bag of tiles with the letters from the word IMPOSSIBLE. He pulls a random tile out of the bag. Which outcomes are more likely than not? A.Pulling a vowel B.Pulling a consonant ◦ C.Pulling an E or a P ◦ D. Pulling an L, M, or S ◦ E.Pulling an I, O, P, or S

Question #4 ◦ Donut Palace has an inspector that inspects all the donuts made. One morning, she counted 3 defective donuts in a sample of 3 dozen. The phone company has purchased 5 dozen donuts. Based on the inspector’s findings, how many defective donuts might the phone company receive?

Question 5 ◦ A spinner is divided into five sections, labeled A, B, C, D, and E. Devon spins the spinner 50 times and records the results in the table. Use the results to predict each of the following outcomes for 1,000 trials. The pointer will land on B about _______ times. The pointer will land on a vowel about _____ times. LetterABCDE Number of spins

Question #6 ◦ Of the 32 students in Joe's class, 8 students ride their bikes to school, 5 walk to school, 4 get a ride to school in a car, and 15 take the bus to school. Joe created a spinner that represents the breakdown of how each student travels to class. He spun the spinner 20 times and recorded his results in the table below. What is the experimental probability that the spinner lands on the section labeled “car or bike"?

Question #7 Brock has a basket of hot wheel vehicles. He has 12 cars, 6 trucks, 4 jeeps, and 2 SUV’s. What is the probability that Brock randomly pick a car, truck, jeep, or SUV. VehicleFractionDecimalPercentPhrase Car Truck Jeep SUV

Question #8 Brock has a basket of hot wheel vehicles. He has 12 cars, 6 trucks, 4 jeeps and 2 SUV’s. What is the probability that Brock will reach inside the basket and randomly pick a car or SUV?

Question #9 Give your answer as a fraction, decimal, and percent

Question #10 ◦ The Sundae Shop is offering free sundae’s from 2:00-4:00 Saturday. ◦ Two toppings on each sundae ◦ A sundae can have two of the same topping ◦ The same number of sundaes will be made of each type ◦ Sundaes will be randomly distributed ◦ Determine all the possible ways that the two-topping sundaes can be made. Not all boxes will be used Chocolate Syrup Strawberries Sprinkles Whip Topping

Question #11 Using the combinations created for Question #10, what is the probability that a person will receive one of the two-topping sundae will have at least one topping that is chocolate syrup.

SOLUTIONS 1. B. 1/20 Unlikely 2. C. 18/24 = ¾ 3. B. 60% and E 60% 4. 5 donuts 5. land on B about 280 times land on a vowel 320 times 6. 7/20 = 35% /24 = 7/12 = 0.58 = 58% More likely than not 9. 2/3; 0.67; 67% /16 = = 44% ST/WT SP/WT WT/WT