1. Suppose that the lifetime in years, X, of a type of electrical switch follows the distribution f (x) = ;e for x > 0. What type of continuous distribution is this and what is the average lifetime of one of these switches? (You shouldn't need to do any calculus to answer this.)

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Q: Sample Count Sample Proportion Color Red 9. Brown Yellow 6. Green 10 Orange 12 Blue 9. Total 54…

A: Sample proportion for each color can be calculated as follows:

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A: Given: 1. AB¯ has coordinates A-3,9 and B6,-12. 2. PQ¯ has coordinates P3,-6 and Q3,9.  To Find: 1.…

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