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
Viefleur [7K]
3 years ago
9

The length of time Y necessary to complete a key operation in the construction of houses has an exponential distribution with me

an 13 hours. The formula C = 100 + 80Y + 3Y2 relates the cost C of completing this operation to the square of the time to completion. The mean of C was found to be found to be 2,154 hours and the variance of C was found to be 10,440,820.
Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
5 0

Answer:

Reference The length of time Y necessary to. ... construction of houses has an exponential distribution with mean 10 hours. The formula C = 100 + 40Y + 3Y 2 relates the cost C of completing this operation to ... Find the mean and variance of C. ... The length of time necessary to complete a key operation in the construction of ...

Step-by-step explanation:

You might be interested in
1. 2x = 2 - 9<br> 21y = 4 - 6x
mina [271]

2x=2-9

21y=4-6x

2x=-7

6x=4-21y

x=-7/2

6(-7/2)=4-21y

-21=4-21y

-21-4=-21y

-25=-21y

y=-25/-21

:.y=1 4/21.

3 0
4 years ago
If the scale on a map shows 1 in. = 100 mi., and you determine that two cities are 5.5 in. apart, how many actual miles is this?
Anna007 [38]

Answer:

550 mi. !!!!

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
PLEASE HELP!!<br> show work please<br> The solution of (10 x/6)(10 x/8) = 1010 is
Aliun [14]
Hopefully this helps if not use Photomath

7 0
3 years ago
The price of a new dishwasher is £376. This price includes VAT at a rate of 17.5%. What was the price before VAT was added?
dsp73
£376=117.5% so (376/117.5)= 1% x 100= £320 is the original price
5 0
3 years ago
Which expression is equal to (7 times 2)times 2
Lady bird [3.3K]
The answer is 28. 7x2=14 and then 14x2=28. Remember PEMDAS
7 0
3 years ago
Other questions:
  • What is the rational exponent from of this expression
    12·2 answers
  • you have been asked to build a scale model of a restaurant out of popsicle sticks. The restaurant is 20 feet tall. Your scare is
    14·1 answer
  • A company is paying a local television station to run its commercials. The cost for running commercials is a one-time campaign f
    6·1 answer
  • If m angle p is three less than twice the measure of angle q and angle p and angle q are supplementary angles. Find each angle m
    8·1 answer
  • Find the regression equation, letting the first variable be the
    13·1 answer
  • Laws of statistics indicate that surveys get more accurate with larger sample sizes. You want an accurate survey but your cost p
    13·2 answers
  • On March 1, 2022, Carla Vista Co. acquired real estate, on which it planned to construct a small office building, by paying $79,
    7·2 answers
  • What is the Angled measurement of ∠B
    5·2 answers
  • Quadrilateral ABCD is inscribed in a circle. Find the measure of each of the angles of the quadrilateral. Show your work.
    11·2 answers
  • Anybody help please hm​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!