A simple random sample of size 36 is selected from a population of size 750 . The sample mean is 318, and the sample standard deviation is found to be 30
a. Estimate the standard error of the mean.
b. Develop an approximate 95% confidence interval for the population mean.
a. 4.9 (rounded)
b. 308.2 to 327.8 (rounded)
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Managers of organizations frequently feel that the Occupational Safety and Health Administration (OSHA) represents unnecessary regulation of their activities because:
A. it releases a completely new set of standards for all industries each year. B. it releases highly specific standards that are seldom applicable to all industries. C. it is very expensive to implement its standards. D. it publishes lengthy and voluminous reinterpretations of various existing health standards each year.
Use the failure probability and consequence scores shown in the table to determine the consequence of failure for the project
Maturity 0.6 Cost 0.2 Complexity 0.8 Schedule 0.3 Dependency 0.6 Reliability 0.2 Performance 0.5 A) Greater than 0.7 B) Less than or equal to 0.7 but greater than 0.5 C) Less than or equal to 0.5 but greater than 0.3 D) Less than 0.2