adults, 45% indicated that movies were getting better whereas 43% indicated that movies were getting worse. (a) Find a 98% confidence interval for p, the overall proportion of adults who say that movies are  getting better. (b) Does the interval include the value p=0.50? Do you think that a majority of adults say that movies

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In poll of n=800 randomly chosen adults, 45% indicated that movies were getting better whereas 43% indicated that movies were getting worse.
(a) Find a 98% confidence interval for p, the overall proportion of adults who say that movies are 
getting better.
(b) Does the interval include the value p=0.50? Do you think that a majority of adults say that movies 
are getting better?

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