Finding mean-variance by creating probability distribution

Reference no: EM1313293

Q1) Use frequency distribution to create a probability distribution, determine the (b) mean,(c) variance and (d) standard deviation of probability distribution and (e) interpret results in context of real life situation.

Number of computers per household in a small town

Computers	0	1	2	3
Households	300	280	95	20

Q2) Warehouse employs 24 Workers on first shift and 17 workers on second shift. 8 workers are selected at random to be interviewed about work environment. Determine the Probability of choosing:

(a) All first shift workers

(b) All second shift workers

(d) Four second shift workers

Reference no: EM1313293

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