Question

Mark obtained by Insuvai in Mathematics in ten unit tests are listed below:

Unit Test	$I$	$II$	$III$	$IV$	$V$	$VI$	$VII$	$VIII$	$IX$	$X$
Marks obtained (%)	$89$	$93$	$98$	$99$	$98$	$97$	$96$	$90$	$98$	$99$

Based on this data find the probability that in a unit test Insuvai get more than $95$%

• A. $\frac{7}{10}$
• B. $\frac{3}{10}$
• C. $\frac{4}{10}$
• D. None of these

Answer 1

Answer: (A)

$\frac{7}{10}$

Total test $10$ Test with more than $95$% $=7$

$P=7/10$