Spending on concessions at the movies varies by age of the movie goer. A random sample of 100 adults in their 40's found that 70 purchased popcorn. A random sample of 100 adults less than 40 years old found that 59 purchased popcorn. a. State the hypotheses for determining there is a difference in the proportion of adults who purchase popcorn in each age group. b. Calculate the test statistic. c. Calculate the p-value.  d. Interpret the p-value. e. State your conclusion. f. Would a confidence interval for the difference in proportions contain zero? Explain without constructing the interval.

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Spending on concessions at the movies varies by age of the movie goer. A random sample of 100 adults in their 40's found that 70 purchased popcorn. A random sample of 100 adults less than 40 years old found that 59 purchased popcorn.

a. State the hypotheses for determining there is a difference in the proportion of adults who purchase popcorn in each age group.

b. Calculate the test statistic.

c. Calculate the p-value. 

d. Interpret the p-value.

e. State your conclusion.

f. Would a confidence interval for the difference in proportions contain zero? Explain without constructing the interval. 

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