Distribution 81063

The weight of a loaf of bread should be 900 g. Loaves whose weight differs by more than 30 g from this value must be rejected. Determine the probability that a loaf is rejected if its weight has a normal distribution N(900,40).

Correct answer:

p =  0.4533

Step-by-step explanation:

m  N(900,40) μ=900 g σ=40 g  a=μ30=90030=870 g b=μ+30=900+30=930 g  p1 = N(a<m<b) p1=0.5467  p=1p1=10.5467=0.4533

Use the normal distribution table.



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