More than 50% of all people usually drinks coffee before breakfast. To check this claim 100...

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More than 50% of all people usually drinks coffee before breakfast. To check this claim 100 people were chosen randomly and 60 of them declared to have a coffee before breakfast. (a) State the null hypothesis and alternative; (b) Perform an adequate test at the significance level of 5%. (c) Interpret the results. (d) Decide if the p-value for the test is smaller than 0.01, between 0.01 and 0.05 or bigger than 0.05. More than 50% of all people usually drinks coffee before breakfast. To check this claim 100 people were chosen randomly and 60 of them declared to have a coffee before breakfast. (a) State the null hypothesis and alternative; (b) Perform an adequate test at the significance level of 5%. (c) Interpret the results. (d) Decide if the p-value for the test is smaller than 0.01, between 0.01 and 0.05 or bigger than 0.05.

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a Null hypothesis The proportion of people who drink coffee before breakfast is equal to or less t... View the full answer