

Question

The table shows the scores obtained when a fair die was thrown a number of times.



Score
1
2
3
4
5
6


Frequency
2
5
x
11
9
10



If the probability of obtaining a 3 is 0.26, find the (a) median
(b) standard deviation of the distribution.


The table shows the scores obtained when a fair die was thrown a number of times.



Score
1
2
3
4
5
6


Frequency
2
5
x
11
9
10


