Question

If n(s) =36, p(A)=5/2,find n(A)​

Answer 1

Answer:

n(A)=90

Step-by-step explanation:

Let n(A) be x

P(A)=n(A)/n(s)

5/2 = x/36

36 x 5/2 = x

18 x 5 = x

90 = x

Answer 2

n(A) = 90

Step-by-step explanation:

Given Data

n (s) = 36

$P(A)=\frac{5}{2}$

To find n(A)

Probability is defined as the ratio between number of possibilities and total number of given items.

$P(A)=\frac{n(A)}{n(S)}$

Substitute the respective values in the above equation

$\frac{5}{2}=\frac{n(A)}{36}$

$\frac{5 \times 36}{2}= n(A)$

$n (A) = \frac{180}{2}$

n (A) = 90

Therefore if the total number n(S) is 36 and probability p(A) is $\frac{5}{2}$  then their number possibilities n(A) is 90

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