(Answered) A coin is tossed 4 times let a be the event that the first

Statistics

A coin is tossed 4 times. Let A be the event that the first toss is heads. Let B be the event that the third toss is heads.

Q1. What is the probability that the third toss is heads, given that the first toss is heads?

Q2. Are A and B independent? Why or why not?

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