Question

A box contains 80 dics Which are numbered from 1 to 80 .if one dics is drawn at random from the box.find the probability that it bears a perfect square number.​

Answer 1

Answer:

No. of total outcome=80

Perfect square no. = 1,4 , 9, 16, 25 , 36 , 49 , 64

P= no. of perfect square/ total outcome

=8/80

=1/10

Answer 2

Number of perfect square from 1 to 80

= 1 , 4 , 9 , 16 , 25 , 36 , 49 , 64 ,

Total dices = 80

Total numbers = 8

•°• P(E) = 8/80

=> P(E) = 1/10

ANSWER : $\huge{ \bold{ \frac{1}{10}}}$