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A new screening test for a disease has a sensitivity score of .89. Which of the following statements are true of this test?
a.The test will give a negative result for 89% of the people who do not have the disease
b.The test will give a false positive result for 11% of the people who do not have the disease.
c.The test will give an accurate negative result for 89% of those who do not have the disease.
d.The test will accruately give a positive score for 89% of the people who do have the disease.
The production department wants to explore the relationship between the number of employees who assemble a subassembly and the number produced. The complete set of paired observations follows:
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Found mean number of sticks of gum chewed per day was 9. Standard deviation of population is 1. At α = 0.05, is number of sticks of gum person chews per day actually greater than 8?
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