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liq [111]
3 years ago
9

A bag contains 4 red, 5 blue, and 6 green marbles: ​One blue marble is selected and NOT replaced. If a 2nd marble is drawn, what

is the probability that the 2nd marble drawn is a blue marble? ​Write your answer as a simplified fraction.
Mathematics
2 answers:
cupoosta [38]3 years ago
8 0

Answer:

2/7

Step-by-step explanation:

To find the this first you need the total number of marbles minus one since the blue marble was taken.

4+5+6-1=14

after one blue marble being picked there are 4 blue left, so the fraction is

4/14 and after being simplified it is 2/7

love history [14]3 years ago
5 0

Answer:

the true is the answer is g

Step-by-step explanation:

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A visitor makes a list of 11 sights he’d like to see. He is determined to visit at least 8 of these. How many possible choices d
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Using the combination formula, it is found that he has 232 choices.

The order in which the sights are seen is not important, hence the <em>combination formula </em>is used to solve this question.

<h3>What is the combination formula?</h3>

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

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In this problem, the choices are 8, 9, 10 or 11 sights from a set of 11, hence:

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He has 232 choices.

You can learn more about the combination formula at brainly.com/question/25821700

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