Find the minimum required sample size of accounts of the Bechtel Corporation if the proportion of accounts in error is to be estimated to within 0.02 with 95% confidence. A rough guess of the proportion of accounts in error is 0.10.
Answer to relevant QuestionsTradepoint, the electronic market set up to compete with the London Stock Exchange, is losing on average $32,000 per day. A potential long-term financial partner for Tradepoint needs a confidence interval for the actual ...According to an advertisement in Worth, in a survey of 68 multifamily office companies, the average client company had assets of $55.3 million. If this is a result of a random sample and the sample standard deviation was ...A small British computer-game firm, Eidos Interactive PLC, stunned the U.S.- and Japan-dominated market for computer games when it introduced Lara Croft, an Indiana Jones-like adventuress. The successful product took two ...An estimate of the average length of pins produced by an automatic lathe is wanted to within 0.002 inch with a 95% confidence level. σ is guessed to be 0.015 inch. a. What is the minimum sample size? b. If the value of σ ...According to Money, a survey of 1,700 executives revealed that 51% of them would likely choose a different field if they could start over. Construct a 95% confidence interval for the proportion of all executives who would ...
Post your question