Answer to Question #61629 in Statistics and Probability for muhammad umar

Question

1 A die has four of its faces coloured white and the remaining two coloured black. What is the probability that when the die is thrown two consecutive times, the top face will be white in both cases ?

13
13

49
49

920
920

13
13
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

2225
2225

1225
1225

4225
4225

8225
8225
3 When a die is thrown, what is the probability that the number is greater than 1, given that it is odd?

23
23

35
35

45
45

13
13
4 Giving that mean=34, median= 32 and standard deviation as 12. Calculate the Pearson's coefficient of skewness
0.5
0.4
0.3
1.6
5 Calculate the standard deviation of the marks: 2,3,6,2,5,0,4,2.
1.5
1.7
1.8
1.9