1 Point Agovernment Official Is In Charge Of Allocating Social Programs Throughout The Cily Of Vancouver He Will Deci 1 (32.14 KiB) Viewed 34 times
1 Point Agovernment Official Is In Charge Of Allocating Social Programs Throughout The Cily Of Vancouver He Will Deci 2 (35 KiB) Viewed 34 times
(1 point) Agovernment official is in charge of allocating social programs throughout the cily of Vancouver. He will decide where these social outreach programs should be located based on the percentage of residents living below the porerty line in each region of the chy He takes a simple random sample of 129 people tiving in Gastown and finds that 21 have an annual income that is below the poverty line. Part i) The proportion of the 129 people who are living below the poverty line, 21/129, is a A. vanable of interest B. statistic C. parameter Part ii) Use the sample data to compute a 95%6 conidence interval for the true proportion of Gastown residents living beiow the poverty line (Please carry answers to at least six decinal places in intermediate steps. Give your final answer to the nearest three decinal places) 95% confidence interval =1
(1 point) A random poll of 900 voters in a partcular cly found 387 voters who plan to vote yes on a proposition to fund a new library Find a 95% contidence interval for the proportion of voters in this clly who plan to wole yes on the proposation and enter the answer below in one of the forms xˉ±za/2⋅no or xˉ±ta/2⋅ns or p~±za/2⋅np^(1−p^) Where you must decide which to use based on the problern information Now evaluate the endpoints above and enter the confidence interval in \% format but do not use the % symbol, for example, (49.51,67.83) where the numbers represent percents You must inciude the parentheses and the comma between the conficence timits. Round your answer to at least two decimal places (b) Find the least nuThber of volers needed to be sampled in order to state that the point estimate p \% is winin 3 s of the true population percent Pfic with 95% conifdence. Do NOT assume part (a) gives a good point estimate. Remember to round your answer up if it is not a whole nimber
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