Question: help with part b please 5. A Gallup poll conducted November 7-10, 2013, based on telephone interviews with a random sample of 1,039 US residents,

help with part b please

5. A Gallup poll conducted November 7-10, 2013, based on telephone interviews with a random sample of 1,039 US residents, aged 18 and older, surveyed holiday shopping habits. (a) To the question "Are you likely to shop online this holiday season?", 552 respond affirmatively. Give a 96% confidence interval for the proportion of the US population who say they are likely to ship online. C L= . 9 6 P = X 5 724039 * = 552 1 = 1039 X (n -* ) 552 ( 1039 - 552) 0.0155 10393 1 - CL = 0: 0200 2 P [0 . 49 9 5, 0. 5631 ] (b) In 2007, 50% of population did holiday shopping at specialty stores. Increasing this proportion is the idea behind Small Business Saturday. Give the appropriate hypothesis test to see if this proportion has increased from 2007 and 2013

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