Provide an appropriate response.A shipment of 20 digital cameras contains two that are defective. A random sample of three is selected and tested. Let X be the random variable associated with the number of defective cameras in a sample. Find the probability distribution of X and the expected number of defective cameras in a sample.

What will be an ideal response?



; 0.3

Mathematics

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Determine if the two lines are parallel, perpendicular, coinciding, or only intersecting.x = -8y = 1

A. parallel B. coinciding C. intersecting D. perpendicular

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Subtract. Simplify, if possible. - 

A. 8
B. 7
C. 10
D. 8

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Divide. Write a mixed numeral for the answer.4 ÷ 2

A. 1 
B. 1
C. 1 
D. 2 

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A helicopter makes a forced landing at sea. The last radio signal received at station C gives the bearing of the helicopter from C as  at an N 57.1º E altitude of 423 feet. An observer at C sights the helicopter and gives as 12.1º. How far will a rescue boat at A have to travel to reach any survivors at B (see the figure)? Apply the rules regarding the use of significant digits when determining your answer. Round your answer to the nearest ten feet.

? ? Distance rescue boat travels = __________ ft Fill in the blank(s) with the appropriate word(s).

Mathematics