a) yes
b) If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
2/4 * (2-1)/(4-1) = ?
c) 2/4 * 2/(4-1) = ?
Your pocket contains 2 quarters and 2 Nickels. You randomly pick one of the coins and without replacing it you pick a second coin.
Are the events, Q1 = First pick was a quarter
Q2 = Second pick was a quarter
a) Independent?
b) What is the probability of getting a quarter both times, P (Q1 and Q2)?
c) What is the probability of getting a quarter and then a nickel, P (Q and N)?
1 answer
1 answer