Question

Question :-

Two digit number is to be form from the numbers 4,6,7. Find the probability of getting a odd number.​

Answer 1

Answer:

Digits are {22,23,25,27,29,32,33,35,37,39,52,53,55,57,59,72,73,75,77,79,92,93,95,97,99}

∴Total digits are 25

Odd numbers are 20

∴ probability that an odd number is formed is

25

20

=

5

4

a multiple of 5

Numbers which are multiple of 5 are

{25,35,55,75,95}

∴ probability of multiple of 5 is

25

5

=

5

1

Answer 2

Answer:

Question :-

Two digit number is to be form from the numbers 4,6,7. Find the probability of getting a odd number.

Required Answer :-

Two digit number is to be form from the numbers 4,6,7.

Sample space :-

{46,47,64,67,74,76}

n(S) = 6

Event A :-

Two digit number is a odd number

A = {47,67}

n(A) = 2

P(A) = n(A)/n(S)

P(A) = 2/6

P(A) = 1/3

Hope it help you :)

Be Brainly!!