Question

Two digit numbers are formed from the digits 0,1,2,3,4 where repetition of the digits is allowed. Find thr probability of the events...1.the number is composite

Answer 1

Answer: probability is 7/10

Step-by-step explanation:

S={10,11,12,13,14,20,21,22,23,24,30,31,32,33,34,40,41,42,43,44}

n(S)=20

A={10,12,14,20,21,22,24,30,32,33,34,

40,42,44}

n(A)=14

P(A)=14/20=7/10

Answer 2

Answer:

```The correct answer is```= 7/10

Step-by-step explanation:

let s be the sample space

s={10,11,12,13,14,20,21,22,23,24,30,31,32,33,34,40,41,42,43,44,}

n(s) = 20

let the first event be A

A={10,12,14,20,21,22,24,30,33,34,40,42,44}

n(A)= 14

p(A)= n(A)/n(s) = 14/20 = 7/10

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