Louis Armstrong, salesman for the Dillard Paper Company, has five accounts to visit per day. It is suggested that the variable, sales by Mr. Armstrong, may be described by the binomial distribution, with the probability of selling each accounts being 0.4. Given the following frequency distribution of Armstrong’s number of sales per day, can we conclude that the data do in fact follow the suggested distribution? Use the 0.05 significance level. Number of sales per day 0 1 2 3 4 5 Frequency 10 41 60 20 6 3

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  1. Louis Armstrong, salesman for the Dillard Paper Company, has five accounts to visit per day. It is suggested that the variable, sales by Mr. Armstrong, may be described by the binomial distribution, with the probability of selling each accounts being 0.4. Given the following frequency distribution of Armstrong’s number of sales per day, can we conclude that the data do in fact follow the suggested distribution? Use the 0.05 significance level.

Number of sales per day

0

1

2

3

4

5

Frequency

10

41

60

20

6

3

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