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The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 121 and standard deviation of 21 . Someone qualifies as having Stage 2 high blood pressure if their systolic blood pressure is 160 or higher. a. Around what percentage of adults in the USA have stage 2 high blood pressure? Give your answer rounded to two decimal places. b. If you sampled 2000 people, how many would you expect to have BP> 160? Give your answer to the nearest person. Note: I had a bit of an issue encoding rounded answers, 50 try rounding both up and down if there's an issue! people c. Stage 1 high BP is specified as systolic BP between 140 and 160. What percentage of adults in the US qualify for stage 1? d. Your doctor tells you you are in the 30th percentile for blood pressure among US adults. What is your systolic BP? Round to 2 decimal places. lbs0k, let us have shops in three major cities. We try to understand if the response to our latest TV advertising campaign is similar and want to actually compare the consumer behaviours in terms of similarity in these three cities. So we collect weekly demand data before and after the Tv-ad campaign and we obtain the following sample information. Before advertising After advertising m Std-deals} Std-{esta} mm m _ :l' '._. ..... - _. " " ' ._...-~-__: 1"" ' 5"" "" 5" "'"""':'. ._. \"I" JI! ?-9 answer for lzmir. Choose the correct statistical test and apply it. Answers without analysis will not be awarded points. I am not interested in hearing your expert opinions, l we nt to see reasoning based on analysis. Use 95% confidence for all analyses in this exam. 1- {30th Did the TV-ad campaign have an effect on average demand in your city? 2- {20th You want to be sure whether ave rage demand is higher than 56 after the ads in your city. Test it. 3- [15th If the null hypothesis in question two is wrong, how likely is it that you would reject it? 4- {45th Does the average demand seem to be equal in three cities after advertising