Question

Numbers 1 to 20 are written on ten separates slips (one number on one slip ), kept in a box and mixed well. One slip is chosen from the box without looking in to it. WHAT IS THE PROBABILITY THAT THE NUMBER CHOSEN IS A PRIME NUMBER?

a) $\frac{1}{5}$
b)
$\frac{2}{5}$
c)
$\frac{3}{5}$
d)
$\frac{4}{5}$
​

Answer 1

Answer:

it will be 8/20

Step-by-step explanation:

means the answer is 2/5

only you have to do is to count the prime number between one to twenty n divided by total number of slips that is 20

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Answer 2

Answer:

Probability of getting a prim number is 2/5