Answer:
D is a binomial random variable with 
Step-by-step explanation:
For each customer, there are only two possible outcomes. Either they have dogs, or they do not. The probability of a customer having a dog is independent of any other customer. This means that D is a binomial random variable.
Binomial probability distribution
Probability of exactly x successes on n repeated trials, with p probability.
65% of the customers have dogs:
This means that 
15 customers:
This means that 
What type of variable is D?
D is a binomial random variable with 
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Question
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Multiply the constant: 12 x (-5/6)
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Multiply the x (we add the power together when we multiply)
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Answer: -10x⁷y²---------------------------------------------------------------------------------------
14.89/8
Divide by 8/8
Final Answer: 1.86/1 (Rounded)
Answer:
Because the teacher told him to take a seat.
X = 36
being that you simplify both sides of the equation and solate the variable