Home / Questions / Free Response 11 Use the normal approximation to the binomial to find the following probab...
Free Response 11. Use the normal approximation to the binomial to find the following probabilities. Seventy percent of people in the US have type O blood. You randomly select 30 people in the US and ask them ifthey have type O blood. Are np and nq both greater than 5? st dev. mean a) Exactly 20 people have type O blood b) At least 20 have type o blood c) Fewer than 20 have type o blood 12. You took a random sample of 13two-slice toasters and found the mean price was 61.12 and the standard deviation was 24.62. Assume the prices are normally distributed. Find a 90% confidence interval for the population mean. Is this a z-dist, t-dist, or neither, and why? Critical value from table Margin of Error Confidence interval
Aug 01 2020 View more View Less
Edward L. Vincent is CFO of Energy Resources, Inc. The company specializes in the exploration and development of natural gas. It’s near year-end, and Edward is feeling te...
Aug 25 2020Choose the correct answer.Maintenance costs are only (a) 0.5, (b) .5 percent above last year's.
Jul 20 2021screening of the nuclear charge by core electrons in atoms is ________?less efficient than that by valence electrons responsible for a general decrease in atomic radius g...
Jul 01 2021Title VII is the only legislation specifically prohibiting religious discrimination in employment.TrueFalse
Jul 10 2021One year ago, LaTresa purchased 300 shares of Outland Co. stock for $7,092. The stock does not pay any regular dividends but it did pay a special dividend of $.43 a share...
May 27 2021The adjusting entry for unearned revenue always involves a:A) debit to a revenue account and a credit to a liability accountB) debit to a liability account and a credit ...
Dec 07 2019Using data from household surveys, you have determined that the ‘typical’ household’s preferences are represented by the utility function,U = (x + 24)y , where x represen...
Jun 09 2021The evolution of training activities has moved towards what >
May 11 2020Suppose that the widespread use of drones decreases the cost of package delivery. This would be represented as a rightward shift of the supply curve in the market for pac...
May 12 2021Ok ill admit it. I was on a pron site. But while browsing, I clicked on a link and a few moments later I got a screen that image. It was a typical thing. Just said "devic...
Apr 17 2020