Libby reads for 0.75 of an hour every night. How many hours will she read in 1 week. show work
2 answers:
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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
=