Question: Campos Computing provides IT services to five companies in the region. Two of the companies rate the service A and three rate the service B.

Campos Computing provides IT services to five companies in the region. Two of the companies rate the service “A” and three rate the service “B.”

Company RS TV Rating 9

a. List the 10 possible samples of size 3 that could be selected from this population of companies. 

b. Show the proportion of companies in each sample who give Campos an “A” rating. 

c. Produce a table showing the sampling distribution of the sample proportion and show the corresponding bar chart.

Company RS TV Rating 9

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