Question

if n(A)=7 ,p(A)=1/5 than n(s)=?​

Answer 1

Step-by-step explanation:

by using formula,

p(A)=n(A)

n(s)

1 = 7

5 n(s)

by c.m.,

n(s)=5×7

n(s)=35

Answer 2

Step-by-step explanation:

n(A)=2

P (A) =

n(S)

n(A)

=

5

1

=

n(s)

2

=

5

1

= n (s) = 10