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slamgirl [31]
3 years ago
13

There are 3 red marbles in a bag of 12 marbles. A larger bag has a total of 26 marbles, including 7 red marbles. Are the chances

of choosing a red marble from each bag the same?
Mathematics
1 answer:
qwelly [4]3 years ago
8 0
Short answer: No

Explanation: if you bring the fractions down as low as possible, the first bag has a 1 in 4 chance of getting a red marble. The 2nd bag can't be brought down anymore because 26 and 7 do not share any common divisors.
You might be interested in
University graduates have a mean job search time of 38.1 weeks, with a standard deviation of 10.1 weeks. The distribution of job
Lera25 [3.4K]

Answer:

7.1 weeks to 68.4 weeks

Step-by-step explanation:

Chebyshev's Theorem states that:

75% of the measures are within 2 standard deviations of the mean.

89% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 38.1

Standard deviation = 10.1

Between what two search times does Chebyshev's Theorem guarantee that we will find at least 89% of the graduates

Between 3 standard deviations of the mean.

So from 38.1 - 3*10.1 = 7.8 weeks to 38.1 + 3*10.1 = 68.4 weeks

5 0
3 years ago
Below is the number of pages in each of the six books that Pedro read this summer.
snow_tiger [21]

Answer:

Hope this helps

Step-by-step explanation

The first one goes to 1 the second one goes to 2 the third one also goes to 2 and the last one goes to 2

4 0
3 years ago
In a fruit survey, children choose their favorite fruit out of apples, bananas and watermelon. 29% chose apples, 41% chose banan
Alex73 [517]

Answer: 30% chose watermelons.

Step-by-step explanation:

if 29% chose apples and 41% chose bananas, that equals 70%

So, out of 100%, 70% chose both apples and bananas, which leaves 30% for watermelons.

8 0
3 years ago
Determine whether the system of equations has no solution, one solution, or infinitely many solutions
Vinil7 [7]

Answer:

one solution

Step-by-step explanation:

y=-3x+5

y=1/2x-2

You can tell straight off the bat, it does have a solution, and it isn't infinite solutions. If it had no solution, it would have the same slope but different y-intercepts. If it had infinite solutions, the 2 equations would have to be the exact same. So there is only one solution.

---

hope it helps

4 0
3 years ago
Y = -9x - 2; (4, -37)
Karo-lina-s [1.5K]

Answer:

B. No the ordered pair does not satisfy the equation

Step-by-step explanation:

y = -9x - 2

Substitute the point in and see if it is true

-37 = -9(4) -2

-37 = -36 -2

-37 = -38

This is not true so the point is not a solution

6 0
4 years ago
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