FINAL EXAM Tomorrow would you PLZ HELP!!!?

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FINAL EXAM Tomorrow would you PLZ HELP!!!?

if you pick values at random from a normal distribution what is the probability that all 4 values will be more than one standard deviation from the mean??

2006-06-13 12:27:01 · 2 answers · asked by Hamza 1 in Education & Reference ➔ Homework Help

2 answers

i think that would be "ZERO"...

2006-06-13 12:43:43 · answer #1 · answered by *~dazzling.black~* 4 · 0⤊ 0⤋

"Normal distribution" implies that 95% of all rv's will fall within 1.96 (or 2) S.D.'s away from the mean and that 67.5% will fall within 1 S.D. from the mean.

2006-06-13 19:39:52 · answer #2 · answered by cb.howell 1 · 0⤊ 0⤋