Likelihood
What is the likelihood that it will snow in Charleston this winter?
Unlikely
A baseball player pitches the ball 20 times, 7 times pitches a no-hitter.
P(no-hitter)=
7/20
A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3?
1/12
If you have 3 pennies how many possible outcomes are there?
6
What word would we use to describe something with the probability of 4/7
Likely
You select a card from a standard deck with 52 cards. P(queen)=
4/52 = 1/13
A bag contains 5 yellow, 4 green, and 2 blue marbles. One marble is drawn and immediately put back in the bag. Then a second marble is drawn. Identify whether the events are independent or dependent.
Independent
How many outfits are possible with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?
80
What is the likelihood that you will get an even number when rolling a number cube?
As likely as not
What is the relative frequency for the event “roll an odd number” if you rolled the die 100 times.
Outcome Frequency
1 16
2 19
3 20
4 23
5 12
6 10
12/25
Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple.
3/20
The cafeteria has 2 choices of salads, 3 choices of entrees, and 2 choices of beverages. How many meal combinations are available and why?
12 because 2 x 3 x 2
What probabilities would we use the word likely to describe?
51 - 99%
You ask 15 people if they celebrated Earth Day, 11 said yes.
P(no)=
4/15
A letter of the alphabet is chosen at random, then a coin is flipped. What is the probability of choosing a letter from the word MATH then getting tails?
1/13
table for 2 choices
tree diagram for more than 2 choices
Give an example of a situation that would be certain
Varying answers...
You conducted an experiment flipping coins and found that you got heads 16 times and tails 5 times. What is the relative frequency for the event “get tails”?
5/16
A fruit basket contains 9 apples, 3 bananas, 7 oranges, 5 pears, and 1 grapefruit. Kyle randomly chooses a fruit, does not replace it, then chooses another. What is the probably that he chose two pears?
1/30
The cafeteria is serving three kinds of sandwiches: tuna (T), chicken, (C), and peanut butter (P). They are also serving a choice of two drinks: milk (M) or water (W). Which shows the CORRECT Sample Space List of possible combinations?
TW, TM, CW, CM, PW, PM