Question: School again According to Exercise 16, in a particular school, 45% of pupils have another sibling in the same school, 28% of pupils have another

School again According to Exercise 16, in a particular school, 45% of pupils have another sibling in the same school, 28% of pupils have another relative who is not a sibling, and 15% of pupils have both siblings and other relatives.

a) What is the probability that a pupil who has a sibling in the same school also has an another relative who is not a sibling?

b) Are having a sibling in the same school and having another relative who is not a sibling disjoint events? Explain.

c) Are having a sibling in the same school and having another relative who is not a sibling independent events? Explain.

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