Question

In a certain college, 30% of the students failed mathematics, 20% of the students failed chemistry, and 10% of the students failed both mathematics and chemistry. A student is selected at random. What is the probability that he failed mathematics or chemistry?

Name: in a certain college 30 of the students failed mathematics 20 of the students failed chemistry and 10 of the students failed both mathematics and chemistry a student is selected at random wh 58861
Uploaded: 2022-02-15T09:50:37-08:00
Duration: 5 min 27 s
Channel: Krishna G
Description: in a certain college 30 of the students failed mathematics 20 of the students failed chemistry and 10 of the students failed both mathematics and chemistry a student is selected at random wh 58861

          In a certain college, 30% of the students failed mathematics, 20% of the students failed chemistry, and 10% of the students failed both mathematics and chemistry. A student is selected at random. What is the probability that he failed mathematics or chemistry?

Added by Krista B.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Krishna G

02/15/2022

Step 1

- Probability of failing mathematics, \( P(M) = 0.30 \) - Probability of failing chemistry, \( P(C) = 0.20 \) - Probability of failing both mathematics and chemistry, \( P(M \cap C) = 0.10 \) Show more…

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In a certain college, 30% of the students failed mathematics, 20% of the students failed chemistry, and 10% of the students failed both mathematics and chemistry. A student is selected at random. What is the probability that he failed mathematics or chemistry?