Question

If P(E) = 2/5 and P(not E) = x/5 . Find the value of x.​

Answer 1

Answer:

3

p(E)+p(not E)=1

(2/5)+(x/5)=1

so x=3

Answer 2

3

Explanation

P(e)+P(not e)=1

2/5+x/5=1

2+x/5=1

2+x=5

x=5-2

x=3