Question 1 Report
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 |
60 - 64 | 52 |
65 - 69 | 28 |
70 - 74 | 10 |
(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?