BCS-ISEB
ISEB-PM1 · Question #160
If you know expected value is 500 and the standard deviation is 12, you can say with approximately a 95 percent confidence rating which of the following?
The correct answer is C. The activity will take from 476 to 524 days. You've hit your session limit · resets 10:20pm (America/New_York)
Risk Management
Question
If you know expected value is 500 and the standard deviation is 12, you can say with approximately a 95 percent confidence rating which of the following?
Options
- AThe activity will take from 464 to 536 days.
- BThe activity will take from 494 to 506 days.
- CThe activity will take from 476 to 524 days.
- DThe activity will take from 488 to 512 days.
How the community answered
(23 responses)- A4% (1)
- B4% (1)
- C78% (18)
- D13% (3)
Explanation
You've hit your session limit · resets 10:20pm (America/New_York)
Topics
#standard deviation#confidence intervals#statistical analysis#estimating
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