12 x 14 x L = 1680
168 x L = 1680
L = 1680 / 168
L = 10 feet
Answer:i think its b im not sure tho
Step-by-step explanation:
Answer:
128.69.
The variance is np(1 - p)
= 625*(0.28) * 0.71
= 128.69.
100