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LuckyWell [14K]
2 years ago
6

Please help me please

Mathematics
2 answers:
Soloha48 [4]2 years ago
4 0

Answer:

well i did not take this math lesson bye

Step-by-step explanation:

good luck

Basile [38]2 years ago
3 0
Uh mhmm where is the choice?
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To support National Heart Week, the Heart Association plans to install a free blood pressure testing booth in El Con Mall for th
worty [1.4K]

Answer:

(a) Average number expected = 13.07 people

(b) Average number of persons = 14 persons

(c) Average amount of time = 0.9333 hours

(d) Time taken = 1 hour

Step-by-step explanation:

We are informed that the arrivals have a Poisson distribution from an infinite population. On average, 14 persons per hour request a test. Hence,

Arrival rate = λ = 14

Each blood pressure measurement takes 4 minutes. In 1 hour, 60 / 4 = 15 persons are served. Hence,

Service rate = μ = 15

(a) Average number in line = (λ^2) / μ(μ - λ)

                                             = (14^2) / 15(15 - 14)

                                             = 13.07

(b) Average number in system = λ / (μ - λ)

                                                   = 14 / (15 - 14)

                                                   = 14

(c) Average waiting time = Average number in line / λ

                                         = 13.07 / 14

                                         = 0.9333

(d) Average total time = Average number in system / λ

                                     = 14 / 14

                                     = 1

6 0
3 years ago
Which of the following is a correct interpretation of the expression -4 - (-7)−4−(−7)minus, 4, minus, left parenthesis, minus, 7
romanna [79]

Answer:

B

Step-by-step explanation:

you  take away the 7 and it then b

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MArishka [77]

Divide the total the lake holds by the number of days:

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