3. Suppose you enter a classroom in which there are seven students, none of whom you know. Three of the students are juniors and four are seniors. You randomly select one of the students. If A represents the event that you select a junior, what is P( not A)? a) 3/7 b) 1/7 c) ¾ d) 4/7

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3. Suppose you enter a classroom in which there are seven students, none of whom you know.
Three of the students are juniors and four are seniors. You randomly select one of the
students. If A represents the event that you select a junior, what is P( not A)?
a) 3/7 b) 1/7 c) 34 d) 4/7
Transcribed Image Text:3. Suppose you enter a classroom in which there are seven students, none of whom you know. Three of the students are juniors and four are seniors. You randomly select one of the students. If A represents the event that you select a junior, what is P( not A)? a) 3/7 b) 1/7 c) 34 d) 4/7
Expert Solution
Step 1: Given information

According to the given information, we have

Number of juniors = 3

Number of seniors = 4

Total number of students = 7

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