(PROBABILITY & STATISTICS)
ariance and Standard Deviation(SD) of a random variable
1. The random variable N represents the number of nuts in a chocolate bar has the following probability distribution. Compute for its variance and standard deviation.
P(x) x
1/10 1
3/10 2
3/10 3
2/10 4
1/10 5
ariance and Standard Deviation(SD) of a random variable
1. The random variable N represents the number of nuts in a chocolate bar has the following probability distribution. Compute for its variance and standard deviation.
P(x) x
1/10 1
3/10 2
3/10 3
2/10 4
1/10 5
Answers & Comments
LEFTSIDE(compute variance) RIGHTSIDE(compute standard deviation)
P.S -DONT FORGET YOUR VARIANCE FORMULA AND YOUR STANDARD DEVIATION FORMULA