A lawn mower was originally priced at $450 but went on sale for 20% off. If Maurice bought the lawn mower and paid 5% sales tax,
2 answers:
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Answer:
a) 7.79%
b) 67.03%
c) Cumulative Distribution Function
Step-by-step explanation:
We are given the following in the question:
where x is the duration of a call, in minutes.
a) P( calls last between 2 and 3 minutes)
b) P(calls last 4 minutes or more)
c) cumulative distribution function