shows the number who selected each plan.

The same table also shows, for a random sample of 150 employees selected in the current year, the number who selected each plan. Can we conclude that employee preferences for the health care plans have changed from last year? Use α = 0.05. What is the p-value?

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TABLE 5-14 Year Last year Current year Plan 1 Plan 2 Plan 3. 50 15 40 45 110 18 90