Number of Successes Frequency Relative Frequency 0 10 0.13889 1 29 0.40278 2 26 0.36111 3...
| Number of Successes | Frequency | Relative Frequency |
| 0 | 10 | 0.13889 |
| 1 | 29 | 0.40278 |
| 2 | 26 | 0.36111 |
| 3 | 4 | 0.05556 |
| 4 | 3 | 0.04167 |
| Total | 72 | 1.00 |
| Mean of Successes | 1.458 |
Using the frequency distribution, what is the tractor sales success average? In part 3, note that the numerator in the formula for the mean is the total number of successes. The total number of trials is the denominator of the formula for the mean multiplied by 4. What does this average mean?
Homework Answers
Formula for average success is
This is the average value of tractor sales success, i.e., this means that the tractor sales success on an average is 1.458.
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Number of Successes
Frequency
Relative Frequency
0
10
0.13889
1
29
0.40278
2
26
0.36111
3...
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The success average of a hockey player is the number of “points
scored” divided by the number of “shots on goal.” Recently, a
certain professional league player’s shots on goal and
corresponding points scored were recorded for 400 consecutive
games. The consecutive games span more than one season. Since each
game is different, the number of shots and points scored both vary.
For this particular player, there were from 0 to 15 shots. Thus,
one can sort the more than...
The batting average of a baseball player is the number of “hits”
divided by the number of “at-bats.” Recently, a certain major
league player’s at-bats and corresponding hits were recorded for
200 consecutive games. The consecutive games span more than one
season. Since each game is different, the number of at-bats and
hits both vary. For this particular player, there were from zero to
five at-bats. Thus, one can sort the 200 games into six
categories:
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Exercise 3: Show that (X/n)2 and X(X - 1)/n(n - 1) are both consistent estimates of p2 where X is the number of successes in n trials with constant probability p of success.
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