Concept explainers
a.
To construct: The graph for the provided
a.
Explanation of Solution
Given:
The probability distribution is:
Score | 10 | 20 | 30 | 40 | 50 |
Probability | 0.32 | 0.27 | 0.19 | 0.15 | 0.07 |
Graph:
The figure could be constructed as:
Interpretation:
The above constructed figure is skewed to the right because most of the data falling in the right side.
b.
To find: The
b.
Answer to Problem 38E
The mean of T is 2.38.
Explanation of Solution
Here, it is known that
The value of the
The average number of tickets are 2.38.
c.
To find: The
c.
Answer to Problem 38E
The standard deviation of T is 1.263.
Explanation of Solution
The value of the
The total number of tickets are varying about 1.263 from the mean of total 2.38 tickets.
Chapter 6 Solutions
The Practice of Statistics for AP - 4th Edition
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