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If the probability of a student passing an exam is 0.75, what is the probability
If the probability of a student passing an exam is 0.75, what is the probability that the student fails?
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Practice Questions
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Q1
If the probability of a student passing an exam is 0.75, what is the probability that the student fails?
0.25
0.5
0.75
0.1
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The probability of failing is 1 - P(passing) = 1 - 0.75 = 0.25.
Questions & Step-by-step Solutions
1 item
Q
Q: If the probability of a student passing an exam is 0.75, what is the probability that the student fails?
Solution:
The probability of failing is 1 - P(passing) = 1 - 0.75 = 0.25.
Steps: 6
Show Steps
Step 1: Understand that the probability of passing the exam is given as 0.75.
Step 2: Know that the total probability of all outcomes (passing and failing) must equal 1.
Step 3: To find the probability of failing, subtract the probability of passing from 1.
Step 4: Calculate the probability of failing: 1 - 0.75.
Step 5: Perform the calculation: 1 - 0.75 = 0.25.
Step 6: Conclude that the probability of the student failing the exam is 0.25.
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