The optimistic, most-likely and pessimistic time for developing

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The optimistic, most-likely and pessimistic time for developing a new product are 12 months, 15 months and 17 months, respectively. Calculate the expected time in months.

1. 12.00 to 14.00
2. 14.00 to 15.00
3. 14.14
4. 15.64

Correct Option: B

Expected Time (te) =	(t_o + 4t_m + t_p)
	6

where, t_o = Optimistic time, t_m = Most likely time, t_p = Pessimistic time.

Thus , (te) =	(t_o + 4t_m + t_p)	=	{12 + (4 × 15) + 17}	= 14.84 months
	6		6