Question

Please give me right answer

Answer 1

Total no of days = 250

Correct guess = 175.


a) Let event A be getting correct guess .

n( A ) = 175


P(A) = 175/250

= 7/10

= 0.7


b) Let the event B be getting a wrong guess .

n(B) = 250-175

= 75

P(B) = 75/250

= 3/10

= 0.3


HOPE IT HELPS!!!!!!!!!!!!!!!!