Probability and Statistics Quiz

A student must answer 3 out of 5 questions on a test. In how many different ways can he select the questions?

A numbered spinner with 10 equal parts. What is the probability of the event of landing on an even number?

A bag contains 4 red apples, and 6 green apples. An apple is taken from the bag and didn’t return before the second apple is taken. Find the probability of getting red and green apples.

A die is rolled once, find the probability of getting a number greater than 4.

Use the following two-way frequency table to find the percentage of students completed their homework and passed the exam.

There are 50 students. 18 are taking English. 23 are taking Math. 10 are taking English and Math. If one student is selected at random find the probability that the student is taking English or Math.

A card is selected from a standard deck of cards. What is the probability that the card is a king and is a red?

If A and B are two mutually exclusive events then P(A∩B) = ...

A bag contains 6 red marbles and 4 green marbles. One marble is chosen randomly from the bag and didn’t return it back before the second marble is drawn. Find the probability of getting a red and green.

If P(A)=1/2, P(B)=1/6 and P(A and B)=0.25 find P(A or B).