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ExtremeBDS [4]
3 years ago
10

Waiting times to receive food after placing an order at the local subway sandwich shop follow an exponential distribution with a

mean of 68 seconds. calculate the probability a customer waits:
a. less than 40 seconds. (round your answer to 4 decimal places.) probability
b. more than 126 seconds. (round your answer to 4 decimal places.) probability
c. between 45 and 74 seconds. (round your answer to 4 decimal places.) probabilityp
d. fifty percent of the patrons wait less than how many seconds? what is the median? (round your answer to 2 decimal places.) median seconds
Mathematics
1 answer:
Debora [2.8K]3 years ago
4 0
;lkjhgfdsaqwertyuiop[];lkjhgfdsaertyuiop[]
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Ann wants to choose from two telephone plans. Plan A involves a fixed charge of $10 per month and call charges at $0.10 per minu
Kay [80]
Ann wants to choose from two telephone plans. Plan A involves a fixed charge of $10 per month and call charges at $0.10 per minute. Plan B involves a fixed charge of $15 per month and call charges at $0.08 per minute.

Plan A $10 + .10/minute

Plan B $15 + .08/minute

If 250 minutes are used:

Plan A: $10+$25=$35
Plan B: $15+$20=$35

If 400 minutes are used:

Plan A: $10+$40=$50
Plan B: $15+$32=$47

B is the correct answer. How to test it:

Plan A: $10+(.10*249 minutes)
$10+$24.9=$34.9

Plan B: $15+(.08*249 minutes)
$15+$19.92=$34.92

Plan A < Plan B if less than 250 minutes are used.
4 0
2 years ago
The county fair charges $1.25 per ticket for the rides. Jermaine bought 25 tickets for the rides and spent a total of $43.75 at
satela [25.4K]
The total cost is the dependant variable and the number of tickets along with flat out price is the independent variable.

The equation would be y = 1.25x + ?

You would insert 25 for x which equals 31.25 and insert 43.75 for y.

43.75 = 31.25 + ? Then subtract 31.25 from both sides of the equation and you would get....

12.5 = ?

That is your flat rate to get in to the fair 




7 0
3 years ago
I need help!!! Please
Shalnov [3]

Answer:

I know this is not exactly what your looking for but if you make a line and put all the points from 4+3i to 6-2i then you can find the distance between them.

Step-by-step explanation:

I'm so sorry that I don't really know the answer

Pls forgive me

5 0
2 years ago
Help me now please thanks
lesya692 [45]
Circumference because if you rolled the parallelogram into a circle, the dotted line would go around the outside of it.
3 0
3 years ago
Cube and cube roots 27000<br>​
boyakko [2]

Answer:

lcm for cuberoot

2*2*2*5*5*5*3*3*3

for cuberoot we will make pairs of common three numbers and write them one time

2*5*3

30

check 30*30*30=27000

cube

multiply 27000 three times with itself

19683000000000.0 is the answer

6 0
2 years ago
Read 2 more answers
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