Online magazines make it easy for readers to link to an advertiser's website directly from an advertisement.

1.     Online magazines make it easy for readers to link to an advertiser's website directly from an advertisement. A recent survey indicated that 56% of online magazine readers have clicked on the advertisement. The survey was based on a sample size of 6,403. 

a.     Determine if there is evidence that more than half of the online readers have clicked on the advertisement at α = 0.05. You may use the p-value or critical value approach. 

b.     Now assume the sample size is 100. Repeat part (a).

c.     Discuss the effect that sample size has on hypothesis testing.