exercise:Cb541b5d26: Difference between revisions
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Latest revision as of 19:16, 21 March 2026
The minimum force required to break a particular type of cable is normally distributed with mean 12,432 and standard deviation 25. A random sample of 400 cables of this type is selected. Calculate the probability that at least 349 of the selected cables will not break under a force of 12,400.
- 0.62
- 0.67
- 0.92
- 0.97
- 1.00
Copyright 2023. The Society of Actuaries, Schaumburg, Illinois. Reproduced with permission.