Question

1 The probability that Kodjo and Adoga pass an examination are 43and53 respectively. Find the probability of both boys failing the examination.
2 Three balls are drawn from a box containing 6 red marbles, 4 white marbles and 5 blue marbles. Find the probability that they are drawn in the order: red, white, and blue if each ball is drawn with replacement
3 When a die is thrown, what is the probability that the number is greater than 1, given that it is odd?
4 Giving that mean=34, median= 32 and standard deviation as 12. Calculate the Pearson's coefficient of skewness
5 Calculate the standard deviation of the marks: 2,3,6,2,5,0,4,2.
6 Find the mode of 3, 6, 10, 13, 14, 17, 19 and 22
7 Find the median of 3, 6, 10, 13, 14, 17, 19 and 22
8 calculate the arithmetic mean of 3, 6, 10, 13, 14, 17, 19 and 22
9 The data which has been collected for some other enquiry order than the one of immediate intereast is called ……..
10 From the set A= {3, p2; 2p3; p9; p7}, a number is selected at random. Find the proba