A tech team records the number of bug reports closed per hour. The probability distribution is given below: No. of bug reports closed ( \(Y\) ) 0 1 2…
BIT Basic Statistics · 2082 · Solved Question with Answer
A tech team records the number of bug reports closed per hour. The probability distribution is given below:
| No. of bug reports closed (\(Y\)) | 0 | 1 | 2 | 3 | 4 |
| Probability \(P(Y)\) | 0.10 | 0.18 | 0.32 | 0.30 | 0.10 |
Find the expected number of bug reports closed per hour and its variance.