Question 1056997
n must be greater than or = 100, our n is 748
Probability(Pr) must be less than or = 0.01, our Pr is 0.0001
:
our constant lambda is 748 * 0.0001 = 0.0748
:
a) Pr ( x = 0 ) = (e^(-0.0748) * 0.0748^0) / 0! = 0.9279
:
b) Pr ( x > or = 1 ) = 1 - Pr ( x = 0 ) = 1 - 0.9279 = 0.0721
:
Note that Dr Richard Feynman proved that by NASA's ignoring the advice of Morton Thiercol rocket engineers and the physics of cold on rubber seals they created a 100% chance of failure