Question

The distribution of the weights of a sample of 1,400 cargo containers is symmetric and bell-shaped. According to the Empirical Rule, what percent of the weights will lie:

(a) Between 1formula38.mml and 1formula39.mml ?

Percentage of weights

%

(b1) Between 1formula40.mml and 1formula39.mml? (Round your answer to 1 decimal place.)

Percentage of weights

%

(b2) Below 1formula38.mml? (Round your answer to 1 decimal place.)

Percentage of weights

%

Answer #2

a)X-2s , X+2s = 0.95

b) between X , X+2s = 0.475

below X-2s= 0.025

answered by: anonymous

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