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grandymaker [24]
3 years ago
10

GIVING THANKS AND BRAINLIEST FOR BEST ANSWER <3 ::::::::

Mathematics
2 answers:
ozzi3 years ago
7 0

Answer:

D

Step-by-step explanation:

if u dont mind giving me brainliest, im just trying to rank up

Elena-2011 [213]3 years ago
6 0

Answer:

Its D

Step-by-step explanation:

Hope this helps!

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Financial Literacy Emily spent a total of
frosja888 [35]

Answer:

EASY 10 bec 10/3 take away /3

Step-by-step explanation: HOPE THIS HELPS YOU :)

3 0
4 years ago
Customers arrive at a bank drive-up window every 6 minutes based on a Poisson distribution. Once they arrive at the teller, serv
Jet001 [13]

Answer:

(a) 0.01029 (b) 4.167 customers (c) 0.4167 hours or 25 minutes (d) 0.5 hours or 30 minutes

Step-by-step explanation:

With an arrival time of 6 minutes, λ=10 clients/hour.

With a service time of 5 minutes per transaction, μ=12 transactions/hour.

(a) The probability of 3 or fewer customers arriving in one hour is

P(C<=3)=P(1)+P(2)+P(3)

P(X)=\lambda^{X}*e^{-\lambda}  /X!

P(1)=10^{1}*e^{-10}  /1!=0.00045\\P(3)=10^{3}*e^{-10}  /3!=0,00227\\P(2)=10^{2}*e^{-10}  /2!=0,00757\\P(x\leq3)=0.00045+0.00227+0.00757 = 0.01029

(b) The average number of customers waiting at any point in time (Lq) can be calculated as

L_{q}=p*L=\frac{\lambda}{\mu}*\frac{\lambda}{\mu-\lambda}\\L_{q}=\frac{10}{12}*\frac{10}{12-10}\\\\L_{q}=100/24=4.167

(c) The average time waiting in the system (Wq) can be calculated as

W_{q}=p*W=\frac{\lambda}{\mu}*\frac{1}{\mu-\lambda}\\W_{q}=(10/12)*(1/(12-10))\\W_{q}=(10/24)=0.4167

(d) The average time in the system (W), waiting and service, can be calculated as

W=\frac{1}{\mu-\lambda}\\W=\frac{1}{12-10}=0.5

6 0
3 years ago
Two numbers are in ratio s:t .if the first is a,find the second​
Whitepunk [10]

Answer:

The second number is a*t/s

Step-by-step explanation:

s/t = a / x   Let x be the second number.

sx = at       divide by s

x = at/s

7 0
3 years ago
An empty swimming pool needs to be filled to the top. The pool is shaped like a cylinder with a diameter of 6m and a depth of 1.
adelina 88 [10]

Follow this as an example

An empty swimming pool needs to be filled to the top. The pool is shaped like a cylinder with a diameter of

10 m

and a depth of

1.4 m

. Suppose water is pumped into the pool at a rate of

11 m3

per hour. How many hours will it take to fill the empty pool?


Use the value

3.14

for

π

, and round your answer to the nearest hour. Do not round any intermediate computations.


The formula for the volume of a cylinder is  ∏r2h.  The problem gives d=10m, so r=5m.

The pool holds  (3.14)*52*1.4 m3 = 109.9 m3 of water.

At a rate of 11 m3 per hour:

            ( 109.9 m3 ) / (11 m3/hr)  = 9.990909 hr.

              rounding to the nearest hour, this is 10 hours


4 0
3 years ago
Evie is wrapping a gift. The give is 12 inches long, 4 inches wide, and 6 inches tall. How much wrapping paper will Evie need?
dangina [55]

Answer:

<h2>çevirisi mi lazım sa yazabilirim</h2>
3 0
3 years ago
Read 2 more answers
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