1.

Range of probability distribution with 99.74% lies within

A. (+ 3σ and -3σ)
B. (+ 4σ and -4σ)
C. (+ 1σ and -1σ)
D. (+ 2σ and -2σ)
Answer» B. (+ 4≈ì√â and -4≈ì√â)


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