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A coin is flipped e times and heads (h) or tails (t) are recorded:
a) list all elements in sample space
b) list the elements in the event" at least 2 heads appear"
c) Find probability that evens in part b occurred.
A company makes camshafts. The camshaft lengths need to be within a certain tolerance or they will not fit. They have produced x bar and s charts
Below are one hundred pseudorandom numbers from a uniform pdf. Set up and test the appropriate goodness-of-fit hypothesis. Let α = 0.05.
At the 0.05 significance level, can he conclude that number of absences has declined? calculate approximately the p -value.
The Wilcoxon signed rank statistic, The mean for the Wilcoxon signed rank test and The P-value for the Wilcoxon signed rank test
Standard deviations for first- and second-time and confidence interval
What percent of trucks logged more than 57,060 but less than 58,280 miles? What percent of Fords travelled 62,000 miles or less in the year?
At the end of 24 weeks of treatment, subjects were classified as responders or non-responders to treatment based on a battery of psychological tests.
Compute the probability that debt for a randomly selected borrower with good credit is more than $18,000?
MATH1550H: Assignment: Question: what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?
At α = .01, did yellow fire trucks have a considerably lower accident rate? Determine sample proportions and z test statistic.
A normal distribution with a mean of 55 and a standard deviation of 6 is evaluated to solve a business problem.
In addition, record the values for the UCL, center line, and LCL. Also, record any points that are out of control. Use a z-value of three.
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