Question Answered step-by-step 1.It has been found that 55% of the tools produced by a certain… 1.It has been found that 55% of the tools produced by a certain machine are defective. What is the probability that 50.1% or less will prove defective in a production of 100? 2.The employees of a company were surveyed on questions regarding their educational background (college degree or no college degree) and marital status (single or married). Of the 600 employees, 400 had college degrees, 100 were single, and 60 were single college graduates. The probability that an employee of the company is single or has a college degree is: 3.When a sample of 70 retail executives was surveyed regarding the poor November performance of the retail industry, 66% believed that decreased sales were due to unseasonably warm temperatures, resulting in consumers’ delaying purchase of cold-weather items. A 95 % confidence interval estimate for the population proportion of retail executives who blame warm weather for low sales is _______________________. 4.For a binomial distribution with a sample size equal to 10 and a probability of a success equal to 0.30. What is the probability that the sample will contain exactly three failure? Use the binomial formula to determine the probability. Math Statistics and Probability BUSINESS 1102 Share QuestionEmailCopy link Comments (0)

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