a high school marching band has 24% seniors 22% Juniors 28% sophomores and 26% freshmen. what is the probability of a randomly-chosen student being either a sophomore or a junior?
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Answer: 50
Step-by-step explanation:
Add 22% and 28% to get the probability of how many juniors and sophomores.
Answer:
50%
Step-by-step explanation:
24 seniors, 22 junior, 28 sophomores, 26 freshmen = 100
P(sophomore or junior) = sophomore or junior)/ total
= 28+22/ 100
= 50/100
= 50%