APS4-1 Probability Review (Ch 14 and 15)

Last updated over 4 years ago
20 questions
1

Probability can be written as ...

1

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

1

The chart below represents the number of marbles in a jar. What is the probability of picking green?


P(green) =

1

A bag has 3 red marbles, 2 blue, 4 greens and  1 yellow. What is the theoretical probability of pulling a red?

1

What is the probability of a complement of A? Remember to simplify your answer.

1

The probability of raining today is 30%.  What is the probability that it will NOT rain today?

1

If the probability of an event is p, then the probability of it not happening is 1-p. What is that called?

1

What is the probability of the spinner landing on red?

P(RED) =

1

I have 4 yellow marbles and 8 blue marbles in a bag. What is the probability that I will pick a blue?

1

Kerry is picking marbles out of a bag. Out of which bag would it be impossible to choose a white marble?

1

Based on the teacher’s opinion, she thinks there is about a 75% chance that all of the students will pass the State Department’s End of Course Test.

1

Jessica doesn’t have any idea of what the answer is on one of her multiple choice questions like this problem. The problem has 4 possible choices. After she guesses the answer, she realized that she has a 25% chance of getting that question correct. What type of probability did she use?

1

What is the approximate Probability of drawing a Red Face Card from a standard deck of shuffled cards?

P( RED FACE CARD) =

1

A person has 40 songs downloaded to their smartphone and has the phone set to a random shuffle. The classification of the 40 songs could be described as: 5 Country songs, 10 Classical pieces, 15 Hip Hop, 5 Rap, and 5 Pop Songs.

What is the probability that the next song played is Classical music?

1

What is the probability of rolling a single 6-sided die to a number greater than 4?
P(>4) =

1

Which of the following are independent events?

10

At a high school, some students take Spanish, and some do not. Also, some students take an arts subject, and some do not. Let S be the set of students who take Spanish and A be the set of students who take an arts subject. On the Venn diagrams given, shade the region representing the following instances:

1

Suppose that 60% of families living in a certain county own a sedan and 38% own and SUV. If 14% of families in the area own neither, what is the probability that a randomly selected family will own both a sedan and an SUV?

1

In order to use the Multiplication Rule (shown below) to determine the probability of Event A and Event B both happening, events must be ___________________.

1

In order to use the Addition Rule (shown below) to determine the probability of Event A or Event B happening, the events must be _______________________.