AP EAPCET 08-Jul-2022 Shift 1 Paper

Section: Mathematics

Question : 40 of 160

Marks: +1, -0

The probability that A wakes up before the alarm rings is 0.4. Then, the mean and variance of the number of times A wakes up before the alarm rings, in the next 7 days respectively are:

0.4,0.6
2.8,0.6
2.8,1.68
7,0.6

Validate

Go to Question:

Prev Question

Next Question