(a)
To find: The expected number of students who will run.
(a)
Answer to Problem 14PPS
The expected number of students who will run is 4
Explanation of Solution
The expected value is calculated as,
Round off the value to the nearest integer.
Thus, the expected number of students who will run is 4
(b)
To find: The relative frequency table for 50 trials.
(b)
Answer to Problem 14PPS
The relative frequency table for 50 trials is shown in Table 1.
Explanation of Solution
Draw the possible table for 50 trials.
Prize, X | Frequency | P(X) |
1 | 5 | 0.10 |
2 | 8 | 0.16 |
3 | 6 | 0.12 |
4 | 7 | 0.14 |
5 | 15 | 0.30 |
6 | 9 | 0.18 |
Table 1
Thus, the relative frequency table for 50 trials is shown in Table 1.
(c)
To find: The graph for experimental probability distribution.
(c)
Answer to Problem 14PPS
The graph for experimental probability distribution is shown in figure 1.
Explanation of Solution
From Table (1), the graph is plotted as,
Figure 1
Thus, the graph for experimental probability distribution is shown in figure 1.
Chapter 11 Solutions
Glencoe Algebra 2 Student Edition C2014
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