Summative Test - Probability

When rolling a standard number cube, what is the probability (in decimal) that it rolls an even number?

When an event has a probability lower than 50% but not 0%, what term describe it's probability?

• Unlikely

• Likely

• As likely as not

• Certain

• Impossible

Tommy wanted to flip a coin 15 times to see the probability of it landing in both heads and tails. Write what is the experiment, the trials, and the event that is being recorded.

Amber bought a lottery ticket from a street vendor. Tommy told her it was impossible to win. Is Tommy's statement true or false?

• It's True

• It's False

When making an experiment, more trials mean that the result is going to be ____________ the theoretical probability.

• further from

• closer to

Write the number range that determines the probability of a standard number cube rolling a number greater than or equal to 3.

After 25 trials, the experimented succeeded 5 times. What is the success rate for the experiment?

A football quarterback completes 60% of attempted passes. Describe a simulation that you can perform in order to predict how many passes out of 40 this quarterback will complete.

Allison rolls a standard number cube 30 times and records her results.

The number of times she rolled a 4 is 12.

What is the experimental probability of not rolling a 4?

Sucy wanted to know how many times can a building support an earthquake. For that experiment, is it useful to run a simulation?

• Yes, it's impossible for her to try that experiment

• No, she can make that experiment happen