Simple Probability
What is the probability of rolling a 6 on a die?
1/6
Experimental probability is what _______ happens.
An event is considered to be _______ ________ if it is just as likely to happen as to not happen.
How many different outcomes are possible when a pair of dice are rolled?
36
What is the probability of flipping tails on two dimes?
1/4
What is the probability of rolling an even number on a number cube?
1/2
should
If an event happens more than 0% but less than 50% it is considered _________ to happen.
unlikely
How many different possible outcomes exist when a die is rolled and a coin is tossed?
12
What is the probability of rolling a 1 on a die and landing on heads of a coin?
1/12
What is the probability of landing on purple on a spinner that has the equal sections of red, orange, purple, and blue?
1/4
A spinner that is divided into 4 equal sections is spun 100 times and it lands on green 32 times. What is the experimental probability of landing on green?
8/25
A ___________ event is when one event takes place.
simple
A coffee shop offers regular coffee and decaffeinated, with vanilla, caramel, or hazelnut flavoring as well as with or without whipped cream. How many possible choices are there?
12 possible choices
What is the probability of rolling a number cube and landing on 3 and landing on 3 on a spinner with sections labeled 1-8?
1/48
What is the probability of rolling a 7 on a die?
0 (impossible)
A coin landing on tails 8 out of 10 times is an example of what type of probability?
experimental probability
A _____________ event is when two or more events take place.
compound
How many possible outcomes are there when a coin is tossed 5 times?
32 possible outcomes
What is the probability of flipping three coins and all three landing on tails?
1/8
80% of the flights at the airport landed on time. What is the probability that a flight did not arrive on time?
20%
A number cube is rolled 12 times and it lands on the number two 5 times. What is the theoretical probability of landing on 2?
1/6
The _____________ states that we can multiply outcomes instead of using a tree diagram.
FCP (Fundamental Counting Principle)
How many outfits are possible when choosing from 3 shirts, 4 pairs of pants, and 3 shoes?
36 different outfits
A store states that they have one t-shirt for every day of the year. They offer 32 different t-shirt designs and 11 choices of color. Is the advertisement true? (Need numerical proof)
No, there are 365 days in a year and only 352 possible selections.