Likelihood
The likelihood of something happening can be put into the following categories:
most likely, certain, impossible, or?
least likely
How many total cards are there in a deck?
52
6
You want to find out approximately how many people drink diet soda at your high school. You interview fifty 9th graders. Is your data biased or unbiased?
Biased
How could a doctor's diagnosis relate to probability?
Genetics, health issues, etc.
How many black cards are there in a deck?
26
What's the probability of rolling a 4?
1/6
The airport randomly searches every 10th bag in the security line. Is their search biased or unbiased?
Unbiased
What do traffic lights have to do with probability?
Civil engineer, determine traffic, design and timing of lights
What is the probability of getting a 4 of hearts?
1/52
What's the probability of rolling a number higher than 4 on a dice?
2/6 or 1/3
You want to know approximately how many dogs are in your neighborhood. You interview everyone on one street. Is your sample biased or unbiased?
Biased
What does the lottery have to do with probability?
Not likely you will win it
What's the probability of picking a King?
4/52
What's the probability of rolling an even number on a dice?
3/6
To track the movements of dolphins in the Indian Ocean, two dolphins are chosen and tagged. Is the sample biased or unbiased?
Biased
What does investing in stocks have to do with probability?
likelihood of a stock going up or down
What is the probability of picking a card with an 8 on it?
4/52
What is the probability of drawing a card?
52/52, 100%
At the end of the year, your history teacher wants to get feedback on her class. She surveys 5 random people from each of her periods. Is her sample biased or unbiased?
Unbiased