Whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing three red marbles, five green ones, four white ones, and one purple one. She grabs seven of them. Find the probability of the following event, expressing it as a fraction in lowest terms.She has all the red ones.

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Asked Nov 14, 2019
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Whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing three red marbles, five green ones, four white ones, and one purple one. She grabs seven of them. Find the probability of the following event, expressing it as a fraction in lowest terms.

She has all the red ones.
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Expert Answer

Step 1

According to the provided information, a bag contains 3 red, 5 green, 4 white and 1 purple marbles. Suzan takes at random 7 ...

13
S =Total number of marbles in bag
13
ways
7
7 marbles are drawn from 13 in
There are 3 red marbles and 13-3=10 non red marbles
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13 S =Total number of marbles in bag 13 ways 7 7 marbles are drawn from 13 in There are 3 red marbles and 13-3=10 non red marbles

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