The Coffee Institute has claimed that more than 40 percent of American adults regularly have a cup of coffee with breakfast. A random sample of 450 individuals revealed that 200 of them were regular coffee drinkers at breakfast. What is the prob value for a test of hypotheses seeking to show that the Coffee Institute’s claim was correct?

The Coffee Institute has claimed that more than 40 percent of American adults regularly have a cup of coffee with breakfast. A random sample of 450 individuals revealed that 200 of them were regular coffee drinkers at breakfast. What is the prob value for a test of hypotheses seeking to show that the Coffee Institute’s claim was correct? (Hint: Test H0 : p = 0.4, versus H1 : p > 0.4)

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