In a statistics class of 13 sophomores, 12 juniors, and 8 seniors, 5 of whom are male sophomores, 6 of whom are female juniors,
and 4 of whom are male seniors, what is the probability of randomly selecting a junior or a senior?
1 answer:
Answer:

Step-by-step explanation:
We are given that
Sophomores=13
Juniors=12
Seniors=8
Male sophomores=5
Female sophomores=6
Male seniors=4
We have to find the probability of randomly selecting a junior or a senior.
Total persons=13+12+8=33
Let A=Seniors
B=Juniors
Probability,P(E)=
Using the formula of probability







Hence, the probability of selecting a junior or senior=
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