Remove the radical by raising each side to the index of the radical. a = √ 3 , − √ 3 a=3,-3 a ≈ 1.73205080 , − 1.73205080
Answer:
It is known that for a laboratory computing system the number of system failures during a month has a Poisson distribution with a mean of 0.8. The system has just failed. Find the probability that at least 2 months will elapse before a further failed.
Answer:
sandwiches n[S]=4
drinksn[D]=3
desserts[d]=2
total n[T]=9
number of possible choices for:
4 sandwiches=n[S]/n[T]=<u>4/9</u>
For
3 drinks=n[D]/n[T]=3/9=<u>1/3</u>
and
For 2 desserts=n[d]/n[T]=<u>2/9</u>