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7th 13.1-13.4 Quiz

Posljednje ažuriranje about 6 years ago

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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.

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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.

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

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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

Pitanje 1

1.

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.

Yes, I will demonstrate academic honesty and integrity.

No, I will not demonstrate academic honesty and integrity.

Pitanje 2

2.

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.

Pitanje 3

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.

Pitanje 4

4.

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?

Pitanje 5

5.

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

Pitanje 6

6.

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

Pitanje 7

7.

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?

Pitanje 8

8.

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

Pitanje 9

9.

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.

Pitanje 10

10.

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?

Pitanje 11

11.

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?