The probability that a teacher will conduct an unannounced test during any class meeting is `(1)/(4)` .If a student of the class is absent twice, then the probability for the student to miss at least one test is

The probability that a teacher will give a surprise test during any class is 1/5. If a student is absent on two day what is the probability that he will miss atleast one test.

A teacher chooses a student at random from a class of 30 boys. What is the probability that the student chosen is a boy?

In a class , there are 24 boys and 12 girls. If one child is absent then the probability that it is a girl is

The given table shows the marks obtained by 80 students in a class test with maximum marks 100 .A student of the class is selected at random.Find the probability that he gets less than 15% marks.

The given table shows the marks obtained by 80 students in a class test with maximum marks 100. A student of the class is selected at random. Find the probability that he/she gets less than 15% marks.

The percentage of marks obtained by a student in a monthly test is as follows: What is the probability that the student gets more than 75% marks in a test?

In a class there are 14 boys and 10 girls. If one child is absent, the probability that it is a boy is

The table given below shows the marks obtained by 50 students of a class in a test with maximum 2. marks 100. A student of the class is selected at random. Find the probability that the selected student gets less than 15% marks