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From the output below, is it safe to assume that the sample data used to complete this test is from a normal distribution? Please explain your answer.
Mean: 0.5525
StDev: 0.1442
N: 12
A D: 0.275
P-Value: 0.593
What are the assumptions that must be met for non-parametric statistics? What are the positives and the negatives of the chi-square test?
the critical value z used for constructing a 96 confidence interval for a population mean micro isa. 1.645.b. 2.054.c.
A sample of students attending Southeast Florida University is asked the number of social activities in which they participated last week. The chart below was prepared from the sample data.
the line width of for semiconductor manufacturing is assumed to be normally distributed with a mean of 0.5 micrometer
If you want to be 95% confidence of estmating the population mean to within a sampling error of +-4 and the standard deviation is assumed to be 10, what sample size is required?
In a sample of 10 workers, what is the probability that exactly three workers take the public transport daily? [Hint: It is a Binomial Distribution Problem.]
the employees of a firm that does asbestos cleanup are being tested for indications of asbestos in their lungs. the
According to recent surverys, 53% of households have personal computers. if a random sample of 175 households is selected, what is the probability that more then 75 but fewer than 110 have a personal computer?
Confidence interval for the population mean - Prepare a 99% confidence interval for the population mean.
Find the probability value of H0:u 2.8 distribution with 10 banks giving stats of 5.7, 4.8, 6.0, 4.9, 4.0, 3.4, 6.5, 7.1, 5.3, 6.1 which gives us H1:u 5.38.
General Discrete Random Variable
The time required to assemble a part of a machine follows an exponential probability distribution with a mean of 14 minutes. What is the probability that the part can be assembled in 7 minutes or less?
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