The following table shows the numbers of patients classified as underweight, normal weight, overweight and obese according to their diabetes status.
|
Underweight
|
Normal Weight
|
Overweight
|
Obese
|
|
Diabetes
|
8
|
34
|
65
|
43
|
|
No Diabetes
|
12
|
85
|
93
|
40
|
| |
|
|
|
|
|
|
|
If a patient is selected at random,
a) What is the probability that they are overweight?
b) What is the probability that they are obese and diabetic?
c) What proportion of the diabetics are obese?
d) What proportion of normal weight patients are not diabetic?
e) What proportion of patients are normal weight or underweight?