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Ch.3: Probability and RulesWorksheetSee all chapters
All Chapters
Ch.1: Displaying Numeric Data
Ch.2: Measures of Center and Spread
Ch.3: Probability and Rules
Ch.4: The Discrete Random Variable
Ch.5: The Binomial Random Variable
Ch.6: Types of Continuous Random Variable Distributions
Ch.7: The Standard Normal Distribution (Z-Scores)
Ch.8: Using The Z-Score
Ch.9: Sampling Distributions: Mean
Ch.10: Sampling Distributions: Proportion
Ch.11: Hypothesis Testing: Part 1
Ch.12: Hypothesis Testing: Part 2

Concept #1: Combining Rules To Solve Complex Problems

Concept #2: Combining Rules To Solve Complex Problems: Intro

Practice: The chance of you shooting a basketball and making it in is about 20% (you?re terrible like me). What is the probability that you make four consecutive shots in?

Practice: Referring to Practice 1, what is the probability of getting at most 24 shots in, out of 25 attempts?

Practice: Suppose that giving birth to a boy raises the chances of the next child being a girl by 10%. Your partner wants to have a girl first and then two boys. Assuming that the probability of having a boy or girl is 50/50, what are the chances of having the set of kids your partner wants?

Practice: A bag contains 5 green marbles, 3 white marbles, and 4 blue marbles. Find the probability that, when drawing two marbles without replacement, they end up being one blue and one green.