The following probability distribution was subjectively assessed for the number of sales a salesperson would make if he or she made five sales calls in one day.
Sales Probability
0 0.10
1 0.15
2 0.20
3 0.30
4 0.20
5 0.05
When the salesperson makes a sale, there are three possible sales levels: large, medium, and small. The probability of a large sale is 0.20 and the chance of a medium sale is 0.60. The probability on a given day that the salesperson will make one sale and that it is medium is 0.09.
Indicate whether the statement is true or false
Question 2
For constructing a p-chart, it is recommended that ________.
A) a minimum of 100 samples be taken, each with a minimum sample size of 25
B) a minimum of 10 samples be taken, each with a minimum sample size of 30
C) a minimum of 1776 samples be taken, each with a minimum sample size of 74
D) a minimum of 25 samples be taken, each with a minimum sample size of 100
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