There are five marbles in a bag: four are blue, and one is red. What is the probability that blue Marble gets picked?
2 answers:
Probability of picking blue marble =
Step-by-step explanation:
Given,
Number of blue marbles = 4
Number of red marble = 1
Total number of marbles = 5
To find the probability of picking blue marble
Formula
Probability of an event = (number of occurrence of an event) ÷ (total number of events)
So,
Probability of picking blue marble =
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In the question, we have the following formula
To get the formula in standard form, we first have to subtract 2y from both sides (since we need to get 2y on the left side)
Finally we subtract 1 from both sides (since we need the number on the right side)
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