1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ahrayia [7]
3 years ago
15

The waiting time, in minutes, to see a teller at a large bank follows an exponential distribution. If the proportion of all cust

omers who wait more than 15 minutes is 0.01, what is the mean waiting time for all customers?
Mathematics
1 answer:
Arada [10]3 years ago
4 0

Answer: 0.00067 minutes

Step-by-step explanation: if the proportion of customers who wait more than 15 minutes is 0.01, then the time interval between each waiting customer 15/0.01 = 1500 minutes.

The distribution that defines this question is that of an exponential.

An exponential distribution is dependent on the fixed time rate at which the event is occurring (λ)

For this question of ours, λ = 1500 minutes.

The mean of an exponential distribution is given as

u = 1/ λ = 1/1500 = 0.00067 minutes.

You might be interested in
Do not understand please help <br> Thank u
AysviL [449]

Answer:

43.4

Step-by-step explanation:

You will need to use the phythagoream therom, which is a² + b² = c².  Plug the values in for the variables to get 7² + b² = 44², (c would equal the hypothenuse because the hypothenuse is the longest side of the triangle.)  Square the values to get 49 + b² = 1936.  Subtract 49 from both sides to get b² = 1887, then take the square root of both sides to get b = 43.4 (rounded to the nearest tenth.)  

I am really sorry if I'm wrong, but have a good day/night!  :)

6 0
3 years ago
Read 2 more answers
Alana is making circular picture frames. She needs to put a ribbon along the border of each one. Use what you know about pi and
ki77a [65]
Idk
sorry
sorrysorrysorrysorry
sorrysorrysorrysorry
sorry
7 0
3 years ago
After a trip to Mexico, Jose converted all his pesos back to dollars. The current exchange rate is 1 peso = 0.054 dollars. How m
Dimas [21]

Answer:The number of dollars that he will receive if he exchanged 42.7 pesos is $2.3058

Step-by-step explanation:

The current exchange rate is

1 peso = 0.054 dollars.

After a trip to Mexico, Jose converted all his pesos back to dollars. The number of dollars that he will receive if he exchanged 42.7 pesos would be 42.7×0.054 = $2.3058

7 0
3 years ago
5x+3(x-1) = 8(x + 2) - 10
Levart [38]

Answer:

9

Step-by-step explanation:

5x+3x-3= 8x+16-10

5x+3x-8x=16-10+3

8x-8x=9

= 9

5 0
2 years ago
The Jackson family went out to dinner. The price of the meal was $43.45. The sales tax was 7% of the price of the meal. The tip
brilliants [131]

Answer: 53.40

Step-by-step explanation:

Tax = 7% of 43.45 = 3.04

Tip = 15% of (3.04 + 43.45) = 6.91

Total = 43.45 + 3.04 + 6.91

3 0
2 years ago
Other questions:
  • Use the quotient of negative numbers:
    7·1 answer
  • Oscar says to Vanesa: "I am five times the age you were when I was the age you are; and when you are the age I am, our ages will
    14·2 answers
  • Help me please I don't understand plz give me th answer
    13·2 answers
  • Find the original price of each item round your answer to the nearest dollar ? ​
    5·1 answer
  • What is the volume of the right rectangular prism 8L 10W 3
    8·1 answer
  • Reason on why xy=uv,uv=tv
    9·1 answer
  • What is the value of x in the equation 1.5(x + 4) – 3 = 4.5(x – 2)
    7·2 answers
  • 2(j + 1) + j plz help me
    11·2 answers
  • Bill wants to plant roses in his triangular plot. There will be 1 plant at a corner. Each row will have 6 additional plants. He
    15·1 answer
  • Evaluate.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!