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Your factory receives 3 lots of screws. There are 100 screws in Lot 1, 200 in Lot 2 and 300 in Lot 3. Lot 1 contains 1% defective screws. Lot 2 contains 2% defective screws and Lot 3 contains 3% defective screws. All the screws are dumped in one bin and then a screw is selected randomly
a) what is the Probability that the selected screw came from Lot 1?
b) what is the Probability that the selected screw was defective?
c) if the screw was defective what is the probability that it came from Lot 2?
Define decision variables clearly. Formulate this as a linear programming problem and solve it with a detailed description of your output. Please include all output information.
Suppose population standard deviation for those drinking regular coffee is 1.20 cups per day and 1.36 cups per day for those drinking decaffeinated coffee.
30% of the time the wife is listening to the radio. Find the probability that:a. If the wife is listening to the radio, the husband is also listening to the radio.
you are dealt two cards successively without replacement from a standard deck of 52 playing cards. find the
In a two-way ANOVA, there are 4 levels for factor A, 5 levels for factor B, and 3 observations for each combination of factor A and factor B levels. The number of treatments in this experiment equals:
For an arch chosen at random in Arches National Park, use the preceding information to estimate the probability that the height of the arch poening is:
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A manufacturer produces a batch of memory chips (RAM) and measures the mean-time-between-failures (MTBF). The manufacturer then changes a manufacturing process and produces another batch and again measures the MTBF
You've administered a standardized test of manual dexterity to two groups of 10 semi skilled workers. One of these two groups of workers will be employed by you to work in a warehouse with many fragile items.
Has there been a significant shift upward in the percentage of persons who want to go to Europe? Using the .05 significance level for this study.
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