Ball bearings

One bearing is selected from the shipment of ball bearings. It is known from previous deliveries that the inner bearing radius can be considered a normal N distribution (µ = 0.400, σ2 = 25.10^−6). Calculate the probability that the selected radius will exceed 0.405 for the selected bearing.

Correct answer:

p =  0.1587

Step-by-step explanation:

µ=0.400 σ2=25 106 σ=25 106=0.005  p=N(x>0.405,µ,σ)  p=0.1587



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