Concept explainers
Use the multinomial formula and find the
a. n = 3, X1 = 1, X2 = 1, X3 = 1, p1 = 0.5, p2 = 0.3, p3 = 0.2
b. n = 5, X1 = 1, X2 = 3, X3 = 1, p1 = 0.7, p2 = 0.2, p3 = 0.1
c. n = 7, X1 = 2, X2 = 3, X3 = 2, p1 = 0.4, p2 = 0.5, p3 = 0.1
a.
The probability,
Answer to Problem 2E
Explanation of Solution
Given info:
When the values are
Calculation:
The formula for multinomial distribution is given below:
Where,
Substitute
b.
The probability,
Answer to Problem 2E
Explanation of Solution
Given info:
When the values are
Calculation:
Substitute
c.
The probability,
Answer to Problem 2E
Explanation of Solution
Given info:
When the values are
Calculation:
Substitute
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Chapter 5 Solutions
Elementary Statistics: A Step By Step Approach
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