Probability

There is a 10% chance that it won't snow all winter long. There is a 20% chance that schools will not be closed all winter long. What is the greatest possible probability that it will snow and schools will be closed during the winter? (A) 55% (B) 60% (C) 70% (D) 72% (E) 80% OA: E need an approach to...

For a prime number k, there is no factor p such that 1<p<k

so f(3)= 1,2 hence 2
f(5)=1,2,3,4 hence 4 and so on

thus the f(p) would always be p-1

gabriel wrote:People please post the questions in the right section ... moved to the DS section

It is not specified any mutual exclusion in the Question. The employee of one prj can be a part of another project tooo..... I would go for E. by the way what is the OA??? Here overlap does not matter, just the number of employees that are assigned For ex even if there are just 20 employees, the as...

take x=-2

The sq root of (-(-2)l-2l) = 2
this value is -(-2) = -(-x)

This is a OG11 question-102

subject(Beatrix Potter) and verb(capitalized) are too far away--OG prefers the subject and the verb to be as close as possible

got it.....thnkx

here..lemme post the question