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Prepare an analysis of how you developed your instrument. The survey instrument is supposed to determine the level of self confidence in the participant. All five of the statements focus on one's own self assessment regarding personal confidence and self-esteem.
Determine whether or not the average age of the evening students is significantly different from 21. Use a 0.1 level of significance.
A PC manufacturer claims that no more than 2% of their machines are defective. In a random sample of 100 machines, it is found that 5% are defective. The manufacturer claims this is a fluke of the sample.
A salesman must select 2 of the first component and 3 of the second to take on a sales call. How many different systems can the salesman select?
Create risk profiles for medium and large alternatives. Given mayors concern over possibility of losing money and result of part (a), which alternative would you suggest?
Comparison of paired and unpaired samples test - Identify which of the two tests (Independent samples and Paired samples) test is the preferred test and justify your choice.
Is there any evidence that the different teatments produced different responses? If so, which one seems to work best?
If 55% of the students were dissatisfied and 200 were selected randomly, what is the probability that at least half would be dissatisfied?
A Tamiami shearing machine is producing 10 percent defective pieces, which is abnormally high. The quality control engineer has been checking the output by almost continuous sampling since the abnormal condition began.
Find out the area using Normal distribution. As, if Z is a standard normal variable find out the probability that Z lies.
The study does not give sufficient evidence to support the claim that less than 75% of college students spend less than $250 per semester on textbooks.
Among 200 randomly selected dvd of this type suppose u have to find the probability x is less than 8 which distribution does this have?
New car manufacturer claims that miles per gallon for gas consumption is mound shaped and symmetric with a mean of 25.9 mpg with a standard deviation of 9.5 mpg.
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