The random variable, X is seen on the following diagram which shows the distribution of heights, in cm, of adult women in the UK:
The distribution of heights follows a normal distribution, with a mean of 162 cm and a standard deviation of 6.3 cm.
On the diagram above, shade in the region representingÂ
Â
Suggest a range of heights within which the height of approximately
 (i)     68%
 (ii)    95%
 (iii)   99.7%
 of adult women in the UK will fall.
Did this page help you?