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February 1, 2015

February 1, 2015

Posted by **chalulu** on Sunday, March 13, 2011 at 5:49pm.

- Statistics -
**MathGuru**, Wednesday, March 16, 2011 at 8:40pmmean = np = 90 * 1/5 = ?

(Note: convert any fractions to decimals.)

standard deviation = √npq = √(90 * 1/5 * 4/5) = ?

(Note: q = 1 - p)

I'll let you take it from here.

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