Maria is flipping a coin and spinning a spinner. The spinner has 4 equal sections labeled A-D. What is the probability the coin will land on heads and the spinner will land on the letter "A"?
1/8 or 0.125, or 12.5%
100
You roll a standard number cube 450 times and roll a 4 fifty-four times. What is the experimental probability that you will roll a 4 on your next roll?
P(4)=3/25, 0.12, 12%
100
You are trying to decide what to wear to school. You know you have a green pair of pants, a red pair, and a blue pair. You also have a brown shirt, a plaid shirt, and a yellow shirt. You also need to choose from your blue, red, black, pink, green, or yellow Nikes. How many different outfit combinations can you make?
54 outfits
100
Tyler works for the government printing money. When looking at 350 $1 bills, he found that 4 had a defect. How many of the 855,000 dollar bills printed today have a defect?
Out of the 855,000 dollar bills printed today, you can expect that 9,771 of them have defects.
100
How likely is it that a coin is flipped and lands on tails?
Equally likely
200
Out of both of her boxes of colored pencils, Mrs. Jones is down to 6 green, 3 red, 2 black, and 5 blue colored pencils. What is the probability that you will select a red or black pencil from the box?
P(red or black)= 5/16, 0.31, 31%
200
Out of the last 32 books that Elli read, 20 of them were fiction. Based on the data, how many of the next 150 books that Elli reads will be fiction?
Based on the data, Elli will read about 94 fiction books out of the next 150 books.
200
What is the number of possible outcomes for spinning one spinner with 8 equal sections and another spinner with 6 equal sections?
48 possible outcomes
200
True or False. If false, explain why. In order to determine which brand of shoes people prefer, to get a good sample, you should stand outside Famous Footwear and ask the first 100 people that come into the store.
False. You are questioning people who prefer to shop at Famous Footwear, a store that only sells some brands.
200
How likely is it that a number cube is tossed and lands on 3?
Unlikely
300
What is the probability of rolling two odd numbers in a row with a standard number cube?
P(ODD)=1/4, or 0.25, or 25%
300
A letter tile is randomly selected from a bag, recorded, and replaced 100 times. The results are listed below. What is the experimental probability of selecting the letter "E"?
A = 16
E = 11
I = 29
O = 19
U = 25
P(E)=11/100 or 0.11, or 11%
300
Mrs. Olsen puts the names of all 6 students in this class in a hat. What is the probability that she will choose Naz then Brooke without replacement?
1/30
300
Reagan is making necklaces for a fundraiser. She found in her bag of beads that every Twelfth bead has a defect. If the bag she bought contains 1,000 beads, how many beads have a defect?
You can expect 83 of the 1,000 beads to have a defect.
300
How likely is it that a number cube is tossed and it lands on 8?
never going to happen
400
There are 3 red marbles, 2 green marbles, and 1 yellow marble in a box. One marble is taken out and not replaced. A second marble is then taken out and not replaced. What is the probability both marbles that were taken out are red?
1/5, or 0.20, or 20%
400
Pedro recorded the types of birds that visit his bird feeder. Based on the results below, what is the probability the next bird will be a chickadee? Of the next 200 birds that visit the bird feeder, how many can we expect to be Chickadees?
Woodpecker = 3
Chickadee = 5
Cardinal = 1
Sparrow = 13
Blue Jay = 3
P(Chickadee)=1/5, or 0.20, or 20%
400
Mrs. Olsen puts the names of 4 girls and two boys in a hat. What is the probability that she will choose a girl and then a boy with replacement?
2/9
400
Ben has a lot of stray cats near his house. Last weekend, he caught and tagged 8 cats. Today, Ben caught 6 cats and found that two of them have tags. About how many stray cats does Ben have near his house?
Ben has about 24 stray cats near his house.
400
How likely is it that a number cube is tossed and lands on any number 1-6?
Certain
500
You decide to spin a spinner with 5 equal sections labeled 1-5 300 times. How many times can you expect to spin a 2 or a 3 before the the experiment?
Before the experiment, you can expect to spin a 2 or a 3 about 120 times.
500
Pedro recorded the types of birds that visit his bird feeder. Based on the results below, of the next 200 birds that visit the bird feeder, how many can we expect to be Chickadees?
Woodpecker = 3
Chickadee = 5
Cardinal = 1
Sparrow = 13
Blue Jay = 3
We can expect about that out of the next 200 birds to visit his bird feeder, 40 will be chickadees.
500
What is the probability of rolling three 4's in a row on a number cube?
1/216
500
When planting tomato seeds in horticulture class, Ms. Donley found that out of the 24 tomato seeds planted, 9 of them grew into plants. How many of the 500 seeds that she will give her students can she expect to turn into plants?
She can expect about 188 of the tomato seeds planted to turn into plants.
500
You decide to spin a spinner with seven equal sections labeled A-G 250 times. You land on G 63 times. How many times can you expect to land on G during the next 1,000 spins?
Based on the results of the experiment, during the next 1,000 spins, you can expect to land on G about 252 times.