A three digit number is selected at random. What is the probability
that its unit digit is 2
A. 0.16 B. 0.128 C. 0.064 D. 0.20
Answers
Answered by
8
Total ways= 9×10×10
Favourable = 9×10×1
P(E)=0.1
I guess options are wrong.
Favourable = 9×10×1
P(E)=0.1
I guess options are wrong.
Answered by
0
Total no. of 3 digit number - 9×10×10=900
no. of 3 digit number having 2 at Unit place
9×10×1=90
probability - 90/900-1/10
= _0.1_
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