Unit 8 - Probability Unit Review

The table shows how many cans of each paint color are on each color shelf in a paint warehouse. One can is selected at random from the Whites shelf, another is selected at random from the Blues shelf, and then another is selected at random from the Greens shelf. What is P(pure white followed by baby blue followed by emerald) expressed as a fraction?

Frank opens several pea pods and counts the number of peas in each pod. He records the number in the table. What is the experimental probability that the pea pod has fewer than 9 peas in it?

• 45%

• 50%

• 5%

• 12.5%

Tags

CCSS.7.SP.C.6

Based on the test using 500 spins, what is the experimental probability of spinning a 4?

• 121%

• 24.2%

• 4%

• 500%

Tags

CCSS.7.SP.C.6

A square with an area of 13 in² is drawn inside of a trapezoid with an area of 156 in². A point in the trapezoid is randomly selected, and its location is recorded. After 120 trials, the randomly selected point was in the square region just 15 times. How does the experimental probability of a randomly selected point being in the square compare to the theoretical probability of the event?

• The experimental probability of the event is 8.3%.

• The experimental probability is greater than the theoretical probability.

• The experimental probability of the event is 12.5%.

• The theoretical probability of the event is 12.5%.

• The theoretical probability of the event is 8.3%.

A board game uses a deck of cards that players draw from to move tokens around the board. The probability of selecting a card that moves a player's token forward is 32%. Over the course of a game, the deck is shuffled and reused as necessary. Approximately how many cards must be drawn from the deck before players' tokens move forward 50 times?

• 156 cards

• 5000 cards

• 100 cards

• 32 cards

Tags

CCSS.7.SP.C.6

Ms. Landau uses a uniform probability model for an experiment that will divide a group of 50 people into smaller groups for testing. The outcomes are numbered 1 through 50. She uses the probability model to determine P (multiple of 25 or multiple of 15). It has been decided that these outcomes will move to Room A for testing. What is P (multiple of 25 or multiple of 15)?

Tags

CCSS.HSS.CP.B.7

A computer program randomly picks from the whole numbers 0 through 9 and lowercase letters, one at a time, to create a password. What is the probability that the first character the program uses is a whole number (0 through 9)?

Tags

CCSS.7.SP.C.7B

____________ - number from 0-1 that describes how likely an event is to occur

• Trial

• Probability

• Sample Space

• Event

Tags

CCSS.7.SP.C.5

_____________ _________ - The probability given to events that occur during an actual experiment

• Complementary events

• Theoretical probability

• Geometric probability

• Experimental probability

__________ __________ - The likelihood of an event calculated from a model

• Sample space

• Complementary events

• Experimental propbability

• Theoretical probability