Mathematics Past Questions and Answers

Find the range of 4,9,6,3,2,8,10 and 11

Find the standard deviation of 2,3,8,10 and 12

Evaluate ⁿ⁺¹C_n-2 If n =15

In how many ways can the letters of the word TOTALITY be arranged?

The probability that a student passes a physics test is \(\frac{2}{3}\). If he takes three physics tests, what is the probability that he passes two of the tests?