Question

a bag contain card no. 9 to 49 are mixed thoroughly. from that one card is taken out at random .What is the probability card drawn out is (I) multiple of 5(ii) ,even no.(iii) ,a perfect square no.(IV) an even prime no.

Answer 1

Answer:

Step-by-step explanation:

(i) In 9 to 49 their are 8 multiples of 5

:.P(multiple of 5)=8/39

=0.20

(ii) in 9 to 49 their are 19 even no.

:.P(even no.)=19/39

=0.48

(iii) in 9to49 their are 5 perfect square no.

:.P(perfect square)=5/39

=0.12

(iv) since 2 is only an even prime no.

:.in 9 to 39 their are 0 even no.

:.P(even prime no.)=0/39

=0

Answer 2

1.Event = (10,15,20,25,30,35,40,45)

P(E) = 8/41

2.Event = (10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48)

P(E) = 20/41

3.Event = (9,16,25,36,49)

P(E) = 5/41

4.P(E)= 0

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