Math Problem Statement
A test was given to a group of students. The grades and gender are summarized below
A B C Total Male 4 16 18 38 Female 13 14 6 33 Total 17 30 24 71
If one student is chosen at random from those who took the test,
Find the probability that the student got a 'C' GIVEN they are male.
Solution
To find the probability that a randomly chosen student got a 'C' given they are male, we use the concept of conditional probability.
The probability of a student getting a grade 'C' given they are male is calculated as:
From the table:
- The number of males who got a 'C' is 18.
- The total number of males is 38.
Thus,
So, the probability that a student got a 'C' given they are male is approximately 0.474 or 47.4%.
Would you like further clarification or have any questions?
Here are 5 related questions that expand on this concept:
- What is the probability that a randomly chosen student is male given they got an 'A'?
- What is the probability that a student got an 'A' given they are female?
- What is the probability that a randomly chosen student got a 'B'?
- What is the probability that a student is female given they got a 'C'?
- What is the probability that a student chosen at random is male?
Tip: When working with conditional probability, remember that it narrows the "sample space" to only the condition given in the problem.
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Math Problem Analysis
Mathematical Concepts
Conditional Probability
Probability Theory
Formulas
P(C | Male) = (Number of males who got a 'C') / (Total number of males)
Theorems
Conditional Probability
Suitable Grade Level
Grades 10-12
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