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Sample data have been collected, and the null hypothesis to be tested is, H0: "The sample was drawn from a normal population." If the analysis is based on a categorization that includes 5 cells:
a. How many degrees of freedom will be associated with the test?
b. For a test at the 0.05 level, what is the critical value of chi-square?
c. If the calculated value of the chi-square statistic is 8.13, what conclusion would be reached regarding the null hypothesis?
There is a worker error is 0.3, and the probability that an accident will occur when there is no worker error is 0.2. Find the probability of a worker error if there was an accident.
Run a simple linear regression of these five pairs of numbers and estimate a linear relationship between income and percentage growth in wealth.
a missile designed to destroy enemy satellites has a 0.80 chance of destroying its target. if the government tests
Assume half of the 200 passengers are men. What doorway height satisfies the condition that there is a 0.95 probability that this height is greater than the mean height of the 100 men?
production engineers at sinotron believe that a modified layout on its assembly lines might increase average worker
If sales follow a normal distribution with mean = 70,000 and st. deviation= 5,000 per day, how many loaves should Amazing bake daily?
Let (S, d) be a metric space and X a subset of S. Let the restriction of d to X × X also be called d. Show that the topology on X metrized by d is the same as the relative topology of the topology metrized by d on S.
Compute a 95% confidence interval for the population mean, based on the sample 25, 27, 23, 24, 25, 24 and 59. Change the number from 59 to 24 and recalculate the confidence interval.
Identify and briefly discuss two important concepts ( Prediction and Regression/ Correlation or Regression) applicable to analytical methodology.
the diameter of the dot produced by a printer is normally distributed with a mean diameter of 0.002 inch. suppose that
Let X(t) and Y(t) be two jointly wide sense stationary Gaussian random processes with zero-means- Determine the cross-correlation function.
Suppose you are given a worksheet with 25 samples drawn (n = 20) from a continuous uniform distribution for x defined between 0 and 20.
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