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A company makes a chemical product, and based on extensive experience they believe the critical-to-quality variable for this product has mean 410 and standard deviation 10. (a) Suppose the process output is Normally distributed, and the lower/upper speci cation limits on this variable are LSL = 400; USL = 480. What proportion of manufactured products will not conform to speci cations? (b) If the standard deviation remains constant, where should the process operators change the mean of the process to minimize the proportion of products that do not conform to speci cations?
In a survey of 900 college students , 405 out of 900 students has credit card or 45% of the student owned a credit card.
State the null and alternative hypotheses
What is the variance of the data?"
An analysis was done to see if there was a correlation between the number of days of class missed and a student's GPA.
ltbrgtas of last year only 20 of the employees in an organization used public transportation to commute to and from
problem 1the average prices for a product in twelve stores in a city are shown
The expected value is within one standard deviation of themean(so you must calculate both the standard deviation and expected value for your game).
What is the reality of the use of e-learning from the perspective of students of the First Level in the Department of Management Information Systems at University of Hail
What research design was used this study
Dependent t test
Beanie Babies are toy stuffed animals that have become valuable collector's items. Beanie World Magazine provided the information on 50 Beanie Babies given in beanie.xls.
Heights of swedish men follow a normal distribution with mean 72 in and standard deviation of 5 in. How high must a doorway be so that 90% of swedish men can go through without having to bend?
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