Question 5 (Campaign Emails 20 points). A political candidate knows from caperience that about 10% of their fundraising emails get a positive response. In an attempt to improve this, they are trying out a new format for these emails. To test the new format, the nou email is sent out to a simple random sample of 400 people on the candidate's mailing list and they find that 49 of them end up responding positively. (a) What are your null and alternative hypotheses? 18 points () What is your test statistic /8 points) (c) What is your p-value if you are aiming for 5% significance, that are your conclusions (please erplan with a complete sentence, not just reject/don't reject mull hypothesis" 14 points)