The table below shows the number of eggs laid by the chickens in a man's farm in a year. No of eggs per year No of chickens 45 - 49 10 50 - 54 36 55 - 59 64...

The table below shows the number of eggs laid by the chickens in a man's farm in a year.

(a) Draw a cumulative frequency curve for the distribution.

(b) Use your graph to find the interquartile range.

(c) If a woman buys a chicken from the farm, what is the probability that the chicken lays at least 60 eggs in a year?