The percentage of marks obtained by a student in their unit test for five consecutive months is given below. Percentage of marks obtained: 69, 71, 73, 68, 76. Find the probability that student gets less than 70% marks in next unit test.
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S={69,71,73,68,76}
event A= less tyan 70%
A={68,69}
p(A)=n(A)/n(S)
=2/5
Ans= 2/5
event A= less tyan 70%
A={68,69}
p(A)=n(A)/n(S)
=2/5
Ans= 2/5
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