TSI - Theoretical Probability

Multiple Choice

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3
• 1/10
• 3/10
• 30%

Multiple Choice

What is the probability of flipping a coin

3 times and getting 3 heads?

• 1/8

• 1/4

• 1/2

• 3/4

Multiple Choice

The theoretical probability of rolling an even number on a dice.

• 3/6

• 1/2

• 1/6

• 5/6

Multiple Choice

A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?

• 1/9

• 2/9

• 5/21

• 10/21

Multiple Choice

You pick a marble from this bag.

What is the probability you will choose either a black or white marble?

• 3/5

• 9/100

• 1/10

• 2/5

Multiple Choice

In a drawer, there are 6 white socks, 4 black socks, and 2 brown socks. You pick out a sock, replace it, then pick out a 2nd sock. What is the probability that you will pick a brown, then black sock?

• 1/11

• 1/18

• 1/36

• 2/33

Multiple Choice

You roll two die.

What is the probability you will roll a 4, then roll a number less than 3?

• 1/36

• 1/18

• 1/9

• 1/6

Multiple Choice

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11
• 5/6
• 1/3
• 5

Multiple Choice

You spin the spinner. How many possible outcomes are there?

• 4

• 8

• 1

• 6

Multiple Choice

In a cup are the numbers 1 - 20. Find the theoretical probability of 
picking a number divisible by 5. 

• 4/20
• 1/5
• 5/20
• 1/4

Multiple Choice

An experiment consists of rolling a fair number cube. Find the theoretical probability of rolling a 3.

• 1/6
• 3/6
• 1
• 1/2

Multiple Choice

An experiment consists of rolling a fair number cube. Find the theoretical probability of rolling a number greater than 3.

• 4, 5, and 6
• 3/6
• 3
• 1/2

Multiple Choice

An experiment consists of rolling a fair number cube. Find the theoretical probability of rolling an 8.

• 0
• 8/6
• 4/3
• 1/2

Multiple Choice

Find the theoretical probability of NOT landing on yellow if you spin the spinner.

• 1/8
• 7/8
• 1
• 7

Multiple Choice

What is Theoretical Probability?

• The ratio of favorable outcomes to the total number of possible outcomes
• The ratio of favorable outcomes to the total number of trials in an experiment
• In probability, a controlled, repeated process (such as repeatedly tossing a coin).
• A single possible result.

Multiple Choice

A ten sided die is rolled.

P (3 or 5)

• 3/10

• 1/5

• 1/10

• 25%

Multiple Choice

A box has 3 limes, 5 grapes, and 2 oranges.

P (NOT lime)

• 3/10

• 30%

• 7/10

• Answer Not Here

Multiple Choice

A box has 6 red pens, 8 black pens, 2 blue pens, and 4 purple pens.

P(NOT red or blue)

• 3/5

• 2/5

• 3/10

• 7/10

Multiple Choice

What is the probability of flipping tails two times in a row?

• 3/8

• 1/4

• 5/8

• Answer Not Here

Multiple Choice

You roll a six sided die. What is the probability of rolling an even number three times in a row? 

• 3/100
• 1/2
• 1/6
• 1/8