Percentile Computation

Question 1

The number of hours worked per week for a sample of ten students is shown below.

1. Determine the median and explain its meaning.
2. Compute the 70th percentile and explain its meaning.
3. What is the mode of the above data? What does it signify?

 

Question 2

You are given the following information on Events A, B, C, and D.

1. Compute P(D).
2. Compute P(A ∩ B).
3. Compute P(A | C).
4. Compute the probability of the complement of C.
5. Are A and B mutually exclusive? Explain your answer.
6. Are A and B independent? Explain your answer.
7. Are A and C mutually exclusive? Explain your answer.
8. Are A and C independent? Explain your answer.