# math check probability

5. A bag contains 7 green marbles and 4 white marbles. You select a marble at random. What are the odds in favor of picking a green marble?

A. 7:11**?
B. 7:4
C. 4:7
D. 3:7 ------------------------------------ 6. Food Express is running a special promotion in which customers can win a free gallon of milk with their food purchase if there is a star on their receipt. So far, 147 of the first 156 customers have not received a star on their receipts. What is the experimental probability of winning a free gallon of milk?

A. 11/156
B. 49/52
C. 2/39
D. 3/52

7. A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble, replace it, and choose again. Find P(red, then blue).

A. 77/164
B. 19/41*
C. 90/1681
D. 45/41

1. 👍
2. 👎
3. 👁
1. #5. Nope
The probability is 7/11, but the odds are 7:4

That is, 7 chances for and 4 against.

#6
There are 147 without a star, so 9 with a star. So

P(star) = 9/156 = 3/52

#7
total marbles: 41
P(red) = 9/41
P(blue) = 10/41
P(red,blue) = 9/41 * 10/41 = 90/1681

You can't just add the probabilities. If so, then by specifying enough drawings, you'd eventually add up enough fractions to get more than 1. Actually, by specifying more and more drawings, the chance of getting them ALL keeps getting smaller.

1. 👍
2. 👎

## Similar Questions

1. ### Math

A bag contains: 5 red marbles 6 blue marbles 3 green marbles 4 black marbles 2 yellow marbles A marble will be drawn from the bag and replaced 100 times. What is the reasonable prediction for the number of times a green or black

2. ### Probability

jeff has 8 red marbles, 6 blue marbles, and 4 green marbles that are the same size and shape. he puts the marbles into a bag, mixes the marbles, and randomly picks one marble. what is the probability that the marble will be blue?

3. ### Math-Algebra 1

You have a bag which contains only red and green marbles. In this bag with x^2+5 marbles total, x+1 are red. Also, x-3 marbles have a scratch on them. The probability of drawing a red marble from the original bag is equal to that

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A student randomly selects one marble from the group of marbles shown below and then tosses a balanced coin. 3 red marbles 4 green marbles 2 blue marbles A. What is the probability that the student will select a green marble and

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A bag contains 8 red marbles, 5 blue marbles, 8 yellow marbles, and 6 green marbles. What is the probability of choosing a red marble if a single choice is made from the bag? is it 8/27 ?

2. ### Math

A bag contains 6 red marbles, 3 white marbles, and 7 blue marbles. You pick a marble without looking. Find the probability of drawing a white marble. Can someone please explain how I would work this out?

3. ### probability Please check answer

A bag contains 7 red marbles, 2 blue marbles, and 1 green marble. If a marble is selected at random, what is the probability of choosing a marble that is not blue? 7 red marbles plus 1 green marble = 8/10 = answer = 4/5

4. ### Math (Pease Help! 2 questions!)

A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn. c) What is the probability of selecting a purple marble and then a white

1. ### experimental probability

you spin a spinner 50 times. it lands on red 8 times, yellow 12 times, green 20 times, and blue 10 times. based on the results, what is the experimental probility of its landing on green or yellow? thanks I will be happy to

2. ### Math

Holly is flipping a coin and pulling a marble from a bag. There are 4 white marbles, 2 blue marbles, and 5 green marbles, all of the same size, in the bag. What is the probability that the coin lands on heads and she pulls a green

3. ### Geometry

There are 4 blue marbles, 5 red marbles, 1 green marble, and 2 black marbles in a bag. Suppose you select one marble at random. Find each probability

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A bag of marbles contains 6 blue marbles, 2 yellow marbles, 4 red marbles, and 1 green marble. What is the probability of reaching into the bag and selecting a yellow marble?
The text passage contains multiple mathematical questions, each with a provided answer. The questions are about probability and odds, and the answers are given in the form of multiple-choice options.
multiple_questions_with_answers
Given a text passage, determine:
    1. If it contains a mathematical question (including word problems or calculations)
    2. If an answer to that mathematical question is provided in the text

First, describe the content structure you found in 1-2 sentences.

Then provide your analysis in the following format:
TYPE: <one of the following values>
- NO_QUESTION
- SINGLE_QUESTION
- SINGLE_QUESTION_WITH_ANSWER
- MULTIPLE_QUESTIONS
- MULTIPLE_QUESTIONS_WITH_ANSWERS
system
# math check probability

5. A bag contains 7 green marbles and 4 white marbles. You select a marble at random. What are the odds in favor of picking a green marble?

A. 7:11**?
B. 7:4
C. 4:7
D. 3:7 ------------------------------------ 6. Food Express is running a special promotion in which customers can win a free gallon of milk with their food purchase if there is a star on their receipt. So far, 147 of the first 156 customers have not received a star on their receipts. What is the experimental probability of winning a free gallon of milk?

A. 11/156
B. 49/52
C. 2/39
D. 3/52

7. A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble, replace it, and choose again. Find P(red, then blue).

A. 77/164
B. 19/41*
C. 90/1681
D. 45/41

1. 👍
2. 👎
3. 👁
1. #5. Nope
The probability is 7/11, but the odds are 7:4

That is, 7 chances for and 4 against.

#6
There are 147 without a star, so 9 with a star. So

P(star) = 9/156 = 3/52

#7
total marbles: 41
P(red) = 9/41
P(blue) = 10/41
P(red,blue) = 9/41 * 10/41 = 90/1681

You can't just add the probabilities. If so, then by specifying enough drawings, you'd eventually add up enough fractions to get more than 1. Actually, by specifying more and more drawings, the chance of getting them ALL keeps getting smaller.

1. 👍
2. 👎

## Similar Questions

1. ### Math

A bag contains: 5 red marbles 6 blue marbles 3 green marbles 4 black marbles 2 yellow marbles A marble will be drawn from the bag and replaced 100 times. What is the reasonable prediction for the number of times a green or black

2. ### Probability

jeff has 8 red marbles, 6 blue marbles, and 4 green marbles that are the same size and shape. he puts the marbles into a bag, mixes the marbles, and randomly picks one marble. what is the probability that the marble will be blue?

3. ### Math-Algebra 1

You have a bag which contains only red and green marbles. In this bag with x^2+5 marbles total, x+1 are red. Also, x-3 marbles have a scratch on them. The probability of drawing a red marble from the original bag is equal to that

4. ### Algebra

A student randomly selects one marble from the group of marbles shown below and then tosses a balanced coin. 3 red marbles 4 green marbles 2 blue marbles A. What is the probability that the student will select a green marble and

1. ### math

A bag contains 8 red marbles, 5 blue marbles, 8 yellow marbles, and 6 green marbles. What is the probability of choosing a red marble if a single choice is made from the bag? is it 8/27 ?

2. ### Math

A bag contains 6 red marbles, 3 white marbles, and 7 blue marbles. You pick a marble without looking. Find the probability of drawing a white marble. Can someone please explain how I would work this out?

3. ### probability Please check answer

A bag contains 7 red marbles, 2 blue marbles, and 1 green marble. If a marble is selected at random, what is the probability of choosing a marble that is not blue? 7 red marbles plus 1 green marble = 8/10 = answer = 4/5

4. ### Math (Pease Help! 2 questions!)

A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn. c) What is the probability of selecting a purple marble and then a white

1. ### experimental probability

you spin a spinner 50 times. it lands on red 8 times, yellow 12 times, green 20 times, and blue 10 times. based on the results, what is the experimental probility of its landing on green or yellow? thanks I will be happy to

2. ### Math

Holly is flipping a coin and pulling a marble from a bag. There are 4 white marbles, 2 blue marbles, and 5 green marbles, all of the same size, in the bag. What is the probability that the coin lands on heads and she pulls a green

3. ### Geometry

There are 4 blue marbles, 5 red marbles, 1 green marble, and 2 black marbles in a bag. Suppose you select one marble at random. Find each probability

4. ### math

A bag of marbles contains 6 blue marbles, 2 yellow marbles, 4 red marbles, and 1 green marble. What is the probability of reaching into the bag and selecting a yellow marble?
user
The text passage contains multiple mathematical questions, each with a provided answer. The questions are about probability and odds, and the answers are given in the form of multiple-choice options.

TYPE: MULTIPLE_QUESTIONS_WITH_ANSWERS