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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Provide an appropriate response.Solve, checking for extraneous roots: 
+ 
= 
A. x = 5
B. no solution
C. x = -1
D. x = 
Mathematics
Decide whether the statement is true or false. If it is false, tell why.If k is a prime number, then x2 = k will have two rational solutions.
A. True B. False; the solutions will be irrational because a prime number cannot be a perfect square. C. False; the equation will have no real number solutions.
Mathematics
Evaluate using substitution.
Mathematics
Find the sum, if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics