Solve the following PROBABILITY question;

Question

1000 students undertook a field trip to a Malaria prone area, and on their return were subjected to Malaria testing. The following information was obtained: 39% of the group are Male students and had Malaria. 9% were Female and did not have Malaria. 40% of the students were Female and those who had Malaria were 70%. If a student is selected randomly, obtain the following probabilities:

1. The student is a male student.
2. The student does not have Malaria is Male.
3. The student has Malaria.
4. The student has Malaria and is Female.

Answer 1

From the information , you can get the table as below:

Male Female Total

Had Mararia 390 310 700

Did not have Maralia 210 90 300

Total 600 400 1000

Q1: 600/1000=0.6

Q2: 210/300=0.7

Q3: 700/1000=0.7

Q4: 310/1000=0.31