ASQ
CQE · Question #82
Select the incorrect statement from among the following. The IDs of a certain piece of tubing are normally distributed with mean 1.00". The proportion of tubing with IDs less than 0.90 is
The correct answer is C. Less than the proportion with IDs greater than 1.10. See the full explanation below for the reasoning.
Statistical Tools and Techniques
Question
Select the incorrect statement from among the following. The IDs of a certain piece of tubing are normally distributed with mean 1.00". The proportion of tubing with IDs less than 0.90 is
Options
- ALess than the proportion of Ids greater than 0.90
- BLess than 50 percent.
- CLess than the proportion with IDs greater than 1.10
- DLess than the proportion with IDs greater than 1.00
How the community answered
(33 responses)- A9% (3)
- B3% (1)
- C82% (27)
- D6% (2)
Topics
#normal distribution#symmetry#proportions#z-score
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