If f(x) = 3x2 + 2 and g(x) = x2 – 9, find (f – g)(x).
1 answer:
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Step-by-step explanation:
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