PROBABILITY 1.1
Nerissa has 5 pink bows, 1 blue bow, and 4 purple bows in a box. She will randomly choose 1 bow from the box.
What is the probability Nerissa will choose an aqua bow?
0/5 or Impossible
A white-and-green spinner landed on white on 10 out of 14 spins. What is the experimental probability that the next spin will land on white?
5/7
At a glass vase factory, 2 out of the last 10 vases produced were chipped. What is the experimental probability that the next vase will be chipped?
1/5
Elise is in the garage getting ready for a day of fishing. She needs to pick out one of the 4 fishing rods and one of the 3 reels. In the outdoor refrigerator, there are 2 kinds of bait, but Elise only needs one kind of bait for the day. Finally, Elise has 4 tackle boxes available but can only bring one on the boat. How many different ways can Elise pick out fishing tackle for the day?
96
Write 0.8 as a fraction.
4/5
20 cupcakes in 4 boxes = cupcakes per boxSubmit
5
There are 12 cards in a bag, numbered 1 through 12. If you choose one card from the bag, what is the probability of choosing either 5, 6, or 7?
1/4
Anne is knitting a sweater. For the yarn, she has to choose from 3 colors and 5 weights. How many different sweaters can Anne knit?
15
Nerissa has 5 pink bows, 1 blue bow, and 4 purple bows in a box. She will randomly choose 1 bow from the box.
What is the probability Nerissa will choose a purple bow?
2/5
Deion has twelve coins in a bag. There are 2 quarters, 6 dimes, 3 nickels, and one penny. If Manuel picks one coin from the bag without looking, what are the chances he will pick a dime?
1/2
There are 10 blue, 7 red, 15 green, and 18 yellow marbles in the bag. What is the probability that you select a green or yellow marble?
33/50 or 66%
A bag contains colored tiles.
• 3 tiles are red
• 6 tiles are green
• 3 tiles are blue
A tile will be randomly selected from the bag. What is the probability in decimal form that the tile selected will be green?
0.5
A teacher has a container of rubber bands. She will randomly select one rubber band from the container.
What is the probability of randomly selecting a purple rubber band in simplest form.
7/25
Antoine has a bag containing 5 green marbles, 3 orange marbles, and 8 purple marbles. Without looking, he pulls out one marble from the bag and keeps it. He then pulls out another marble from the bag. What is the probability that he will have 2 purple marbles?
** HINT MULTIPLY TWO DIFFERENT FRACTIONS
56/240
Ann runs a day care center. Of the last 18 children to enroll at the day care center, 8 of them have been elementary school students. Considering this data, how many of the next 9 children to enroll should you expect to be elementary school students?
4
Katie is at the car accessories shop deciding how to customize a new car. The store has 2 different sets of custom hubcaps and 8 custom hood ornaments. How many different ways can Katie customize a vehicle?
16
A bag contains colored tiles.
• 3 tiles are red
• 6 tiles are green
• 3 tiles are blue
A tile will be randomly selected from the bag. What is the probability in decimal form that the tile selected will be green?
0.5
shelley's Cupcakes recently sold 8 cupcakes, of which 4 were coconut cupcakes. Considering this data, how many of the next 20 cupcakes sold would you expect to be coconut cupcakes?
10
Slips of yellow, red, blue and green paper are in a bag containing 40 slips of paper. There are 15 green, 12 yellow, 10 red and 3 blue slips. If one slip is picked from the bag, what is the probability that it will be blue?
3/40
At a carnival, 27 students put their name in a drawing for a new bike. Sixteen of the 27 students were girls. What is the probability that a boy will win the bike?
11/27