Answer: K = -14
Step-by-step explanation: solve for k by simplifying both sides of the equation then isolating the variable
Answer:

Step-by-step explanation:



Answer:
Probability distribution for x:

Step-by-step explanation:
We can model the number of defective sets in the group of TV sets (variable x) as a binomial variable, with sample size=3 and probability of success p=2/7≈0.2857.
The probability of k defective sets in the group is:

So, we have this probabilty distribution for x:

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