13) Numbers 1 to 10 are written on ten separate slips (One number on one slip) and are kept in a box and mixed well. One slip is chosen from the box without looking into it. What is the probability of:
a) Getting number 4 b) Getting a number greater than 6
c) Getting a one digit number d) Getting a number less than 3
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Answer:
(c) getting one digit number
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a)Probability=Favourable outcomes (getting no.4)/total outcomes
=1/10
=0.1
b)no. Greater than 6 =7,8,9,10 Probability=Favourable outcomes (no. greater than 6)/total outcomes
=4/10
=0.4
c)one digit numbers=1,2,3,4,5,6,7,8,9
Probability=Favourable outcomes(one digit no.)/total outcomes
=9/10
=0.9
d) numbers less than 3=1,2
Probability=Favourable outcomes (numbers less than 3)/total outcomes
=2/10
=0.2
I have given in decimal , if you want in fraction than ignore the decimal answer
And
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