7th 13.1-13.4 Quiz

Last updated over 5 years ago
11 questions
Directions:
· Show all of your work for each problem in the space provided.
· Show all formulas used.
· Unless otherwise stated, round all final answers to the nearest tenth.
· Label all of your answers with the correct units.
· A calculator is allowed
0

The questions that I am about to complete are my own work. I have not researched solutions on the Internet, talked about the problems with other students or anyone else, or in any way sought an advantage. I will demonstrate academic honesty and integrity.

For #2-3, a bag holds yellow, blue, and red marbles. You randomly draw a marble from the bag. The odds in favor of drawing a yellow marble are 18:42.
3

There are fewer than 100 marbles in the bag. What is the greatest number of marbles that could be in the bag? Explain how you found your answer.

3

The probability of drawing a blue marble is 0.6. What is the probability of drawing a red marble? Explain how you found your answer.

For #4-6,
~Tell whether the question can be answered by using acombination or a permutation.
~Explain your answer choice.
~Answer the question using a complete sentence.
3

Five students from the 90 students in your class will be selected to answer a questionnaire about participating in school sports. How many groups of 5 students can be selected?

3

Eleven students are trying out for 5 different positons in the school band. In how many ways can the five positions be filled?

3

To complete a quiz, you must answer four questions from a list of 12 questions. In how many ways can you complete the quiz?

For #7-11, answer the question in a complete sentence.
3

The buyer for a sporting goods store must decide which athletic shoes to stock for the upcoming selling season. A shoe from one manufacturer comes in 6 different colors and 4 different styles. The buyer decides that the store will stock the shoes in 4 different colors and 2 different styles. How many different possible shoe designs will be stocked?

3

If you toss a fair coin six times, what is the probability of getting 3 heads and 3 tails?

3

If a single die is rolled twice, find the probability of a prime number the first time and a multiple of three the second time.

3

If you draw a card from a standard deck of cards and then replace the card back in the deck, what is the probability that you get a king the first time and a heart the second time?

3

A group of students consists of 10 male 7th graders, 15 female 7th graders, 20 male 8th graders, and 5 female 8thgraders. If one person is randomly selected from the group, find the probability of selecting a 7th grader or a female?