Question

A card is drawn from the cards numbered from 1 to 100. Find the probability that a drawn card has a perfect square number on it.

Answer 1

Answer:

$=>Probability=\frac{1}{10}$

Step-by-step explanation:

=> No. of obervations = No. of squares between 1 to 100

   =1,4,9,16,25,36,49,64,81,100 = 10 numbers

=> Total no. of observations = 100

$=>Probability=\frac{10}{100} =\frac{1}{10}$

Answer 2

Answer:

10/100 = 1/10

Step-by-step explanation:

Card number which is a square in a pack of 100 cards numbered 1 to 100 is:

1,4,9,16,25,36,49,64,81,100

=10 cases

Probability for this case will be= 10/100 = 1/10

$\huge \bf{or}$

no of square numbers s = 10

1² 2² 3² 4² 5² 6² 7² 8² 9² 10² 1,4,9 25, 36,49, 64,81 ,100

total no of cards =100

P(square numbers) = 10/100

=1/10

$\huge \bf{or}$

Total number of cards = 100

Favourable cases = 1,4,9,16,25,36,49,64,81,100

So, the total number of favourable cases = 10

Hence, the required probability = 10/100

= 1/10

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