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Module 3 Problem Sets 1-3 Answers.
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Stati sti cs - Portage Online Summer 2018Module 3 Problem Set 1-3 Answers
Problem Set 3.1 Solutions
1. Solution
We can see from the probability distribution, that if a hurricane hits the U.S. coast,
there is a .403 probability that it is a category 1 hurricane.
2. Solution.
This problem and the next, illustrate the relationship between percentage and
probability. Since 54% of the students are female, if you choose a student at random,
from the school, you will have a .54 probability of choosing a female. Since 46% of the
students are male, if you choose a student at random, from the school, you will have a
.46 probability of choosing a male.
3. Solution.
Since 20 % of the jelly beans are black, there will be a .20 probability of choosing a
black jelly bean. Since 19 % of the jelly beans are yellow, there will be a .19 probability
of choosing a yellow jelly bean.
4. Solution.
a) For permutations, we will use:
, Stati sti cs - Portage Online Summer 2018
b) For combinations, we will use:
5. Solution.
a) For permutations, we will use:
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