Category: Certification Exams Questions

OPTIONS 5 Sigma Self-Discipline Sorting Systems management ANSWER Sorting EXPLANATION The 5S includes Sort.

OPTIONS Y = 95 Y < 95 Y > 95 Y <> 95 ANSWER Y = 95 EXPLANATION A statistical hypothesis test determines if there is enough evidence to reject the null hypothesis at a given significance level. The null hypothesis must contain an equal...

OPTIONS To model discrete data when the population size is small compared to the sample size To make decisions and construct confidence intervals by summing the square of normal random variables To test for equality of variances from two normal populations To compensate for error...

It has been observed that the number of defects in the finish of a surface has an overage of 0.45. What is the probability of a randomly selected item having more than 1 defect in the surface finish? OPTIONS 0.45 0.2869 0.05 0.0755 ANSWER 0.0755...

The probability of a bus arriving on time and leaving on time is 0.8. The same bus has a probability of 0.84 for arriving on time and 0.86 for leaving on time. If the bus arrived on time, what is the probability that it will...

OPTIONS 95% of the time, our decision will be correct. 5% of the time, we will claim that there is a real difference when there really is not a difference. the data will be 95% accurate. 5% of the time, we will say that there...

While conducting process capability study on a pilot run of 50 units, it was found that the Cpk upper value is 1.7, while the Cpk lower value is 0.80 . The requirements given by the customer expects the minimum value of Cpk to be 1.25....

OPTIONS 5 25 625 6 ANSWER 5 EXPLANATION Answer: (a)Standard Deviation is calculated by taking the square root of the variance. Square root of 25 is 5. So, Standard Deviation is 5

The probability of John passing his Chemistry course is 0.75. The probability of John passing his Physics class is 0.8. If the probability of John passing both courses is 0.60, what is the probability that John will pass either his Chemistry or Physics course? OPTIONS...

OPTIONS The location parameter approaches zero. The probability density function is compressed to the left. The probability density function stretches to the right. There is no change. ANSWER The probability density function is compressed to the left. EXPLANATION The Weibull distribution is the most complex...