HELP PLEASE ASAP. A video rental store keeps a list of their top 15 movie rentals each week. This week the list includes 6 actio
n,
4 comedies, 3 dramas, and 2 mysteries. The store manager removes a copy of each of the 15 movies from the shelf, then randomly selects 3 of the 15 to
show on the display monitors in the store. What is the probability that she selected 2 comedies and 1 action movie? EXPLAIN how the probability would
change if two more comedy movies were added to the list in place of the 2 mystery movies.
NOT SURE THE ANSWER IN THE PIC.
4 comedies, 3 dramas, and 2 mysteries. The store manager removes a copy of each of the 15 movies from the shelf, then randomly selects 3 of the 15 to
show on the display monitors in the store. What is the probability that she selected 2 comedies and 1 action movie? EXPLAIN how the probability would
change if two more comedy movies were added to the list in place of the 2 mystery movies.
NOT SURE THE ANSWER IN THE PIC.
2 answers:
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So firstly, you'll want to multiply 1/2 and (n-4) and also reverse the signs in (2n+3), and your equation will look like this: 
Next, you'll want to combine like terms, and your equation will look like this:
Next, subtract 1/2n on each side. Your equation will look like this:
Lastly, you'll divide 1.5 on each side, and your answer should be
Next, you'll want to combine like terms, and your equation will look like this:
Next, subtract 1/2n on each side. Your equation will look like this:
Lastly, you'll divide 1.5 on each side, and your answer should be