Question

A certain jar contains 60 jelly beans--22 white, 18 green, 11 yellow, 5 red, and 4 purple. If a jelly bean is to be chosen at random, what is the probability that the jelly bean will be neither red nor purple? A: 0.09 B: 0.15 C: 0.54 D: 0.85 E: 0.91

Answer 1

Answer: See explanation below

Explanation:

White - 22

Green - 18

Red - 5

Purple - 4

Question:

If a jelly bean is to be chosen at random, what is the propbabilty that the jelly bean will be neither red nor purple.

this means that if we select 1 jelly bean, randomly, it has a 4/60 chance of being purple, and a 5/60 chance of being red; this is because there are 4 purple jelly beans, and 5 jellybeans.

Now, the question asks, "what is the chance that it won't be red OR purple" (the jellybean being "it")

Okay, so now we take the number of purple jelly beans, and add them to the red beans/add 4+5 which is equal to 9, and we can't forget there are 60 jellybeans, so the probability is out of 60.

9/60 chance of getting purple, or red, so that means there is a 51/60 you don't get purple or red

51/60=0.85 which would be answer, which is D, there you have it!

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