What is g(x)? A g(x)=-x2 B g(x)=-2x C g(x)= -x D g(x)= -|x|
2 answers:
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A.
cost is $16.50
B.
rearrange to solve for t:
C. This is the same as part B, only the rate changed
they ask for the greatest number of minutes, so we round down (take the floor of the value).
the answer is 105 minutes.
cost is $16.50
B.
rearrange to solve for t:
C. This is the same as part B, only the rate changed
they ask for the greatest number of minutes, so we round down (take the floor of the value).
the answer is 105 minutes.
Answer:
The shape and rate parameters are and
.
Step-by-step explanation:
Let <em>X</em> = service time for each individual.
The average service time is, <em>β</em> = 12 minutes.
The random variable follows an Exponential distribution with parameter, .
The service time for the next 3 customers is,
<em>Z</em> = <em>X</em>₁ + <em>X</em>₂ + <em>X</em>₃
All the <em>X</em>'s are independent Exponential random variable.
The sum of independent Exponential random variables is known as a Gamma or Erlang random variable.
The random variable <em>Z</em> follows a Gamma distribution with parameters (<em>α</em>, <em>n</em>).
The parameters are:
Thus, the shape and rate parameters are and
.