Based on the students who passed, the probability that a random student gets an A in Statistics or Psychology or both is 0.226.
The probability that a random student did not get an A in Psychology is 0.84.
What are the probabilities of getting an A in psychology?
In order to find out the probability that a person got an A in either Statistics, Psychology, or both, the formula is:
= Probability of A in Psychology + Probability of A in Statistics - ( Probability of A in Psychology and Statistics)
= (80 / 500) + (82 / 500) - ( 49 / 500)
= 0.16 + 0.164 - 0.098
= 0.226
The probability of not getting an A in Psychology is:
= 1 - Probability of A in Psychology
= 1 - (80 / 500)
= 0.84
Find out more on probability at https://brainly.com/question/25870256.
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