Simple Probability
Compound Probability
Theoretical Probability
Dependent Probability
Predicting
100
A six sided cube is numbered from 1 to 6. What is the probability of rolling a number less than 5?
2/3
100
A coin is tossed 2 times. What is the probability of tossing heads both times?
1/4
100
A student rolled a number cube 24 times and recorded the results. The number 3 was recorded 6 times. How does this relate to the theoretical probability?
Not enough information.
The number 3 was rolled less than expected.
The number 3 was rolled more than expected.
The number 3 was rolled exactly as expected.
The number 3 was rolled more than expected.
100
A package contains 6 blue pencils, 10 yellow pencils, 4 green pencils and 5 red pencils. One pencil is drawn and NOT replaced. What is the probability of:
selecting first a blue pencil and then a red pencil?
1/20
100
24
200
A box contains ten slips of paper numbered 1 through 10. Find the probability of choosing a number greater than 2.
4/5
200
A jar contains 3 blue marbles and 2 red marbles. You draw out a marble, return it to the jar, and then draw another marble. What is the probability of drawing a red marble both times?
4/25
200
A student flips a coin 48 times and records the number of heads and tails. Which result most likely represents the theoretical number of heads and tails?
16 heads and 32 tails
23 heads and 25 tails
35 heads and 13 tails
47 heads and 1 tail
23 heads and 25 tails
200
A box contains 2 red marbles, 3 white, 4 green, and 1 blue marble. Two marbles are drawn at random without replacement. Find the probability of:
Selecting a white marble on the first draw and a red marble on the second draw.
6/90 reduced to 1/15
200
A factory produces 80 pairs of designer jeans. An inspector randomly chooses 5 pairs of jeans and discovers that 1 of the pairs of jeans is defective.
16
300
You randomly choose one song from a collection of 4 country songs, 2 jazz songs, 3 rock songs, and 1 pop song. Find the probability of choosing a jazz song.
1/5
300
What is the probability of a family with 3 children having all daughters?
1/8
300
When Carlos flips a coin 100 times, the coin lands heads up 67 times. Which statement is true about comparing the experimental probability to the theoretical probability for heads?
Both probabilities are the same.
It is impossible to determine probabilities.
Experimental probability is less than theoretical probability.
Experimental probability is greater than theoretical probability.
Experimental probability is greater than theoretical probability.
300
A box contains 2 red marbles, 3 white, 4 green, and 1 blue marble. Two marbles are drawn at random without replacement. Find the probability of:
Selecting a red or white on the first draw and green or blue on the second draw.
25/90 reduced to 5/18
300
At an ice cream shop, 4 of the last 16 cones sold had chocolate ice cream. Considering this data, how many of the next 32 cones sold would you expect to have chocolate ice cream?
8
400
You randomly choose one mathematical operator from the collection. Find the probability of choosing a multiplication sign.
3/16
400
Alex spins the spinner twice. What is the probability of the spinner landing on 2 both times?
1/16
400
) Rick is going to roll a number cube 30 times to see how many times he rolls a 2. He has already rolled a 2 three times. How many more 2's would he need to roll, so the theoretical and experimental probabilities are the same?
No more
1 more
2 more
3 more
2 more
400
A box contains 2 red marbles, 3 white, 4 green, and 1 blue marble. Two marbles are drawn at random without replacement. Find the probability of:
Selecting a red marble on both draws.
2/90 reduced to 1/45
400
Amelia runs a canine care center. So far this year, the enrollment has consisted of 12 puppies and 36 other dogs of other ages. Considering this data, how many of the next 24 dogs to enroll should you expect to be puppies?
6
500
Find the probability of drawing a king in a deck of cards.
1/13
500
Tom has 2 pairs of jeans, 3 pairs of shorts, and 1 pair of sweatpants. He also has 4 t-shirts and 2 sweatshirts. If Tom chooses at random a piece of clothing to wear for pants/shorts/sweats and a piece of clothing for a top, what is the probability he will select a pair of jeans and a t-shirt?
2/9
500
A coin is tossed 20 times landing on heads 8 times and tails 12 times. How does the theoretical probability and the experimental probability of the coin landing on tails compare?
It is not possible to determine the comparison.
The theoretical probability is the same as the experimental probability.
The theoretical probability is more than the experimental probability.
The theoretical probability is less than the experimental probability.
The theoretical probability is less than the experimental probability.
500
A box contains 2 red marbles, 3 white, 4 green, and 1 blue marble. Two marbles are drawn at random without replacement. Find the probability of:
Selecting a white marble on the first draw an a white or blue on the second draw.
9/90 reduced to 1/10
500
Last month, Miguel stocked 150 oregano plants and 350 other herb plants at the garden center. Considering this data, how many of the next 500 herb plants stocked should you expect to be oregano plants?
300