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bonufazy [111]
1 year ago
8

The probability of selecting a particular color almond m&m (according to the website) from a bag of m&ms is listed below

. let the probability of selecting a color be represented as br= brown, y= yellow, r= red, bl = blue, o= orange and g = green. a probability distribution is listed below. brown yellow red blue orange green probability 0.1 0.2 0.1 0.2 0.2 0.2 suppose that you randomly select one m&m. what is the p(r or br)?
Mathematics
2 answers:
Virty [35]1 year ago
6 0

Answer: P(r or br) = 0.2

Step-by-step explanation: When two events are mutually exclusive, i.e., they can happen at the same time, the probability of event A occur <u>OR</u> event B occur is given by the sum of the probability of each one.

The question asks for the probability of selecting Red, P(r), or selecting brown, P(br). So:

The probability of <u>Red</u>:

P(r) = 0.1

The probability of <u>Brown</u>:

P(br) = 0.1

The probability of <u>Red OR Brown</u>:

P(r or br) = P(r) + P(br)

P(r or br) = 0.1 + 0.1

<u>P(r or br) = 0.2</u>

The probability of choosing Red or Brown is 0.2.

earnstyle [38]1 year ago
4 0
Omg was a weird dream last week and then they didn’t have to go back home so we had some fun of them all over tomorrow and they probably won’t get them tomorrow night but so
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Alice should pick the enlarged-photo with dimensions of 8-inch by 10-inch.

Step-by-step explanation:

Step 1:

In order for a part of the photo to not be cut off, the enlarged photo's dimensions should be of a constant ratio with the original photo's dimensions.

We divide the dimensions of the enlarged-photo with the dimensions of the original photo to check which has a constant ratio.

Step 2:

The original photo was a 4-inch by 5-inch photo.

Option 1 is 7-inch by 9-inch, so the ratios are

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Option 2 is 8-inch by 10-inch, so the ratios are

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7 0
2 years ago
What number would you multiply the second equation by in order to eliminate the x-terms when adding to the first equation? What
alexandr402 [8]

Answer:

1. Multiply (2) by 2 to eliminate the x-terms when adding

2. Multiply (2) by 3 to eliminate the y- term

Step-by-step explanation:

Use this system of equations to answer the questions that follow.

4x-9y = 7

-2x+ 3y= 4

what number would you multiply the second equation by in order to eliminate the x-terms when adding the first equation?

4x-9y = 7 (1)

-2x+ 3y= 4 (2)

Multiply (2) by 2 to eliminate the x-terms when adding the first equation

4x-9y = 7

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Adding the equations

4x + (-4x) -9y + 6y = 7 + 8

4x - 4x - 3y = 15

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y = 15/-3

= -5

what number would you multiply the second equation by in order to eliminate the y- term when adding the second equation?

4x-9y = 7 (1)

-2x+ 3y= 4 (2)

Multiply (2) by 3 to eliminate the y- term

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Adding the equations

4x + (-6x) -9y + 9y = 7 + 12

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x = 19/-2

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