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A bag contains 5 blue marbles, 2 black marbles, and 3 red marbles. A marble is randomly drawn from the bag.

The probibly of not drawing a black marhle is_
The probability of drawing a red marble is_

User Donaldo
by
4.4k points

2 Answers

2 votes

Answer: its 4/81

Explanation:

i just did it

User Jalal Rasooly
by
4.6k points
1 vote

Answer:

Question 1: 4/5 or %80

Question 2: 7/10 or %70

Explanation:

Step 1: Find the total amount of marbles

5 + 2 + 3

10

Step 2: Find the probability of not drawing a black marble

Add the total amount of marbles that are not black

5 + 3

8

Now find the probability:

8/10

4/5 or %80

Answer: 4/5 or %80

Step 3: Find the probability of not drawing a red marble

Add the total amount of marbles that are not red

5 + 2

7

Now find the probability:

7/10 or %70

Answer: 7/10 or %70

User Jithesh Chandra
by
4.4k points