Unit Test — Unit test Answers

A spinner is divided into 8 equal sections, and each section contains a number from 1 to 8. What is the probability of the spinner landing on a number that is greater than 5?

Josephine noticed that out of 10 e-mails she received, 7 were advertisements. What can she predict about the number of advertisements she will receive in the next 100 e-mails?

The experimental probability of getting a 6 on a number cube is . Which is true about the event’s experimental probability?

Evaluate the expression.

Kyle’s handful of trail mix has 2 almonds, 4 peanuts, 3 raisins, and 5 sunflower seeds. If he picks one item from the handful of trail mix at random, what is the probability that the item is a peanut?

Sonji bought a combination lock that opens with a four-digit number created using the digits 0 through 9. The same digit cannot be used more than once in the combination.If Sonji wants the last digit to be a 7 and the order of the digits matters, how many ways can the remaining digits be chosen?

A bag contains 1 blue, 2 green, 3 yellow, and 3 red marbles, as shown. Which best describes the complement of choosing a red marble?

Consider U = {x|x is a positive integer greater than 1}.Which is an empty set?

Maria rolls a regular number cube with sides labeled 1 through 6. How many possible outcomes are there?

The Venn diagram shows the number of patients seen at a pediatrician’s office in one week for colds, C, ear infections, E, and allergies, A.

The circle below has an area of 314 square centimeters, and the square inside the circle has a side length of 2 centimeters.What is the probability that a point chosen at random is in the blue region?

A point is randomly chosen on the grid shown below.What is the likelihood that the point is in the blue section of the grid?

There are 4 seats available at a table in the lunch room of an elementary school, and 12 students are looking for seats. In how many ways can the seats at the table be filled with 4 of these 12 students?

There are 12 teams, each representing a different country, in a women’s Olympic basketball tournament. In how many ways is it possible for the gold, silver, and bronze medals to be awarded? Use the formula for permutations to find your answer.

The probability of choosing a penny from the 1980s from the bag of pennies without looking is . Which term best describes this probability?

The spinner is divided into 8 equal sections. What is the probability of spinning G, green?

Which formula finds the probability that a point on the grid below will be in the blue area?

A box contains cards that are numbered from 1 to 100. What is the probability of randomly selecting a number that is less than 12?

Brent’s after-school game club has 12 members from which a six-member team is created. Miguel’s after-school sports club has 10 members from which a six-member team is created.Which student’s club has more possible combinations for his six-member team?

Consider the sets below.A {x|x is a polygon}B {x|x is a triangle}Which is true?