How do I go about justifying my answer for question d)?

Sickle~cell disease is a hereditary medical condition affecting red blood cells. Though benign In some forms, other forms can cause health problems leading to reduced life expectancy. Sicklecell comes from areas of Africa where malaria is endemic, and it has been thought to protect its carriers against malaria. A group of African children was tested for both sickle-cell and malaria 35% of the children had sickle-cell, 32% had malaria, and 6. 3% had both. Sickle Cell Has Sickle Cell No Sickle Cell ':\" E' (d) Among these children, did sizide-eell disease offer any protection against malaria? Justify your