Math · easy
If a student is selected at random from the group of students who prefer app notifications, what is the probability tha…
A school administrator surveyed a group of juniors and seniors about their preferred method for receiving school announcements. The results are summarized in the table.
| App Notification | Total | ||
| Juniors | 60 | 40 | 100 |
| Seniors | 50 | 50 | 100 |
| Total | 110 | 90 | 200 |
If a student is selected at random from the group of students who prefer app notifications, what is the probability that this student is a senior?
Answer & explanation
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