Question: The state of New Jersey would like to estimate the
The state of New Jersey would like to estimate the proportion of voters who intend to participate in the upcoming statewide elections. A pilot sample of 50 voters found that 36 of them intended to vote in the election. Determine the additional number of voters that need to be sampled to construct a 95% interval with a margin of error equal to 0.05 to estimate the proportion. Verify your result using PHStat.
Answer to relevant QuestionsRed Fire Grill would like to estimate the proportion of tips that exceed 18% of its dinner bills. Without any knowledge of the population proportion, determine the sample size needed to construct a 90% interval with a margin ...Construct a 95% confidence interval to estimate the population proportion using the following data: = 22 n = 75 N = 500 The following data show the costs charged by a tax preparation service for a random sample of 15 tax returns. These data can also be found in the Excel file titled tax prep costs. xlsx. a. Using a 98% confidence interval, ...Much of the recent euro currency crisis that struck Europe was attributed to the economy of Greece. George Papandreou, Greece’s prime minister, claimed that corruption was at the heart of the crisis. Transparency ...Michael Smith is running to become the state representative for the 12th District in Delaware. The district has 310 registered Republican voters. In an effort to plan his campaign strategy, Michael would like to estimate the ...
Post your question