Answer:
Step-by-step explanation:
Given that a study of the checkout lines at the Safeway Supermarket in the South Strand area revealed that between 4 and 7 P.M. on weekdays there is an average of four customers waiting in line.
Let X be the number of customers waiting in line
X is Poisson with parameter = 4
the probability that you visit Safeway today during this period and find:
a. No customers are waiting
b. Four customers are waiting?

c. Four or fewer are waiting?
=
d. Four or more are waiting
=
Answer:
The answer is 1/(-3/8) ⇒ the first answer
Step-by-step explanation:
∵ cotФ = 1/tanФ
∵ tanФ = -3/8
∴ cotФ = 1/(-3/8)
Answer: 150 + 10x =270
Step-by-step explanation:
So basically she makes $150 per week automatically so u can write that. Then, she makes 10 dollars for each pocketbook she sells so that times x since we don’t know how many pocket books.
If u were to actually have to write how many pocket books you would do 270-150= 120. Then, 120/10= 12 pocketbooks.
Answer: <em>I believe the answer would be 16 divided 7, so you find the answer to that then you put the positive and the negative of that number for the answer. </em>
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Don't you just hate IXLs?