{"id":47634,"date":"2022-04-01T13:14:25","date_gmt":"2022-04-01T13:14:25","guid":{"rendered":"https:\/\/assignmenttutors.net\/blog\/a-researcher-wishes-to-estimate-with-95-confidence-the-percentage\/"},"modified":"2022-04-01T13:14:25","modified_gmt":"2022-04-01T13:14:25","slug":"a-researcher-wishes-to-estimate-with-95-confidence-the-percentage","status":"publish","type":"post","link":"https:\/\/assignmenttutors.net\/blog\/a-researcher-wishes-to-estimate-with-95-confidence-the-percentage\/","title":{"rendered":"A researcher wishes to estimate, with 95% confidence, the percentage"},"content":{"rendered":"<div>\n<p>\u00a0\u00a0<\/p>\n<p>1. A researcher wishes to estimate, with 95% confidence, the percentage of adults who support abolishing the penny. His estimate must be accurate within 5% of the true proportion. Find the minimum sample size needed, using a prior study that found that 34% of the respondents said they support abolishing the penny. Round to the nearest whole number as needed. n=? What is the minimum sample size needed assuming that no prior information is available? n=?\u00a0<\/p>\n<p>2. find the indicated probability using the standard normal distribution.<br \/>p(-3.04&lt;z&lt;3.04)<\/p>\n<p>3. find the margin of error for the given values of c,s, and n<br \/>c=0.90, s=3.5, n=29<\/p>\n<p>4. find the critical value of Tc for the confidence level c=0.95 and sample size n=29<br \/>Tc=<\/p>\n<p>5. find the margin of error for the given values of c,s, and n<br \/>c=0.90, s=2.8, n=81<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0\u00a0 1. A researcher wishes to estimate, with 95% confidence, the percentage of adults who support abolishing the penny. His estimate must be accurate within 5% of the true proportion. Find the minimum sample size needed, using a prior study that found that 34% of the respondents said they support abolishing the penny. Round to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-47634","post","type-post","status-publish","format-standard","hentry","category-education"],"_links":{"self":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts\/47634","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/comments?post=47634"}],"version-history":[{"count":0,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts\/47634\/revisions"}],"wp:attachment":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/media?parent=47634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/categories?post=47634"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/tags?post=47634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}