Ahypothesis will be used to test that a population mean equals 5 against the alternative that the population mean is less than 5 with known variance σ. what is the critical value, −−α ,for the test statistic for the significance level of 0.01?

The trigonometric ratios sine and secant are reciprocals of each other

Combine the information in the problem and the chart using the average balance method to solve the problem.

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?