This exercise is based on the following list of top DVD rentals (based on revenue) for the weekend ending November 6, 2011. Captain America: The First Avenger Bad Teacher Fast Five Cars 2 Trespass Bridesmaids Zookeeper Title Transformers: Dark of the Moon Scream Thor Rank 1 2 3 4 5 6 7 8 9 10 Rather than studying for math, you and your buddies decide to get together for a marathon movie-watching, popcorn-guzzling event on Saturday night. You decide to watch seven movies selected at random from the above list. (a) How many sets of seven movies are possible? sets (b) Your best friends, the Lara twins, refuse to see Bridesmaids and also insist that at least one of Captain America or Thor be among the movies selected. How many of the possible groups of seven will satisfy the twins? groups (c) Comparing the answers in parts (a) and (b), would you say that the Lara twins are more likely than not to be satisfied with your random selection?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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This exercise is based on the following list of top DVD rentals (based on revenue) for the weekend ending November 6, 2011.
Captain America: The First Avenger
Bad Teacher
Fast Five
Cars 2
Trespass
Bridesmaids
Zookeeper
Title
Transformers: Dark of the Moon
Scream
Thor
Rank
1
2
3
4
5
6
7
8
9
10
Rather than studying for math, you and your buddies decide to get together for a marathon movie-watching, popcorn-guzzling event on Saturday night. You decide to watch seven movies selected at random from the above list.
(a) How many sets of seven movies are possible?
sets
(b) Your best friends, the Lara twins, refuse to see Bridesmaids and also insist that at least one of Captain America or Thor be among the movies selected. How many of the possible groups of seven will satisfy the twins?
groups
(c) Comparing the answers in parts (a) and (b), would you say that the Lara twins are more likely than not to be satisfied with your random selection?
They are more likely than not to be satisfied.
They are less likely than not to be satisfied.
Transcribed Image Text:This exercise is based on the following list of top DVD rentals (based on revenue) for the weekend ending November 6, 2011. Captain America: The First Avenger Bad Teacher Fast Five Cars 2 Trespass Bridesmaids Zookeeper Title Transformers: Dark of the Moon Scream Thor Rank 1 2 3 4 5 6 7 8 9 10 Rather than studying for math, you and your buddies decide to get together for a marathon movie-watching, popcorn-guzzling event on Saturday night. You decide to watch seven movies selected at random from the above list. (a) How many sets of seven movies are possible? sets (b) Your best friends, the Lara twins, refuse to see Bridesmaids and also insist that at least one of Captain America or Thor be among the movies selected. How many of the possible groups of seven will satisfy the twins? groups (c) Comparing the answers in parts (a) and (b), would you say that the Lara twins are more likely than not to be satisfied with your random selection? They are more likely than not to be satisfied. They are less likely than not to be satisfied.
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