Question

Any is asked to say a natural number less than 21 .what is the probability than
1)it is an odd number
2)it is an even number
3)it is a multiple of 4

Answer 1

Answer:

1. 1/2

2. 1/2

3. 1/2

Step-by-step explanation:

your problem's solution here.

Answer 2

Step-by-step explanation:

hi mate

1) A ={ 1,2,3,4,5,6,7,8,9,..........20}

n(s) =20

1) Event A = { 1,3,5,7,9,11,13,15,16,17,19 }

p(a) =n(a) / n(s)

11 / 20

2) B={2,4,6,8,10,12/,14,16,18,20}

n(B) =10

p(B) =n(B) /n(s)

10/ 20

p(B) = 1/2

3) c= { 4,8,12,16,20}

n(c) =5

p(c) = n(c) /n(s)

5 / 20

p(c) =1/4

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