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Components coming off an assembly line are either free of defects (S, for success) or defective (F, for failure). Suppose that 70% of all such components are defect-free. Components are independently selected and tested one by one. Let y denote the number of components that must be tested until a defect-free component is obtained.
a. What is the smallest possible y value, and what experimental outcome gives this y value? What is the second smallest y value, and what outcome gives rise to it?
b. What is the set of all possible y values?
c. Determine the probability of each of the five smallest y values. You should see a pattern that leads to a sim- ple formula for p( y), the probability distribution of y.
Create a simple scatterplot of the relationship between these variables (define interview scores as the x-axis and behavioral ratings as the y-axis).
for a one-tailed hypothesis test the critical z-value of the test statistic is -1.48. which of the following is true
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The life corn delight popcorn maker is normally distributed with them mean of 20 months and a standard deviation of two months. The manufacturer will replace on the life popper if it breaks during the guarantee period.
The Niko electronics company just manufactured 5000 CDs, and 3% are defective. If 10 of these CDs are randomly selectedd for testing, what is the proability tha the entire batch is will be rejected.
barbra flynn is charge of maintaining hospital supplies at general hospital. during the past year the mean lead demand
The distance (in miles) are as follows:32,18,44,29,25,38,14,21,and 12. Estimate the mean commute distance of all employees of the company.
A lot consisting of 100 fuses is inspected by the following procedure: 5 fuses are selected randomly, and if all 5 "blow" at the specified amperage, the lot is accepted. Suppose that the lot contains 10 defective fuses. Find the probabily of accep..
provide two data setsa. construct a scatterplotb. find the value of the linear correlation coefficient r then determine
consider an x-bar chart where the x-bar statistic is normally distributed and an associated x-bar control chart exists.
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