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A man is tested to determine whether he can tell butter from margarine. He is blindfolded and given small bites of an English muffin. At each trial, an English muffin with either butter or margarine is randomly chosen to be given to the man. He receives 30 bites of English muffins. He chooses correctly 14 right out of 30 bites.
Identify the observational units and variable(s) in this study.
Describe in words the parameter of interest in the context of this study. Then state the symbol that would be assigned to this parameter.
State the appropriate null and alternative hypotheses in words and symbols for testing whether the man can tell butter from margarine.
What is the value of the statistic in this study? Use the appropriate symbol in your answer.
The 95% confidence interval is defined as ____. a) an interval such that we are 95% confident that the population value lies within the interval b) an interval such that the probability is 0.95 that the interval contains the population value
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