210 of the voters wer - Study guides, Class notes & Summaries

MA215 W5A MA215 Week 5 Assignment Grantham University MA215 Question1: In a poll of 600 voters in a campaign to eliminate non-returnable beverage containers, 210 of the voters were opposed. Develop a 92% confidence interval estimate for the proportion of all the voters who opposed the container control bill. 0.31568, 0.38432 Question2: A random sample of 87 airline pilots had an average yearly income of $99,400 with a standard deviation of $12,000. · If we want to determi...