Question

In a class of students, the following data table summarizes the amount of sleep of students and whether they have an A in the class. What is the probability that a student chosen randomly from the class does not have an A?

Slept more than 6 hours Slept 6 hours or less
Has an A 4 5
Does not have an A 6 8

Answer 1

[AI-generated answer — Bot GPT 3.5]

To find the probability that a student chosen randomly from the class does not have an A, we need to calculate the total number of students who do not have an A and divide it by the total number of students in the class.

Total number of students who do not have an A = 6 + 8 = 14
Total number of students in the class = 4 + 5 + 6 + 8 = 23

Therefore, the probability that a student chosen randomly from the class does not have an A is:
14/23 ≈ 0.609 or 60.9%