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
Marina86 [1]
3 years ago
7

The number of telephone calls that arrive at a phoneexchange is often modeled as a Poisson random variable. Assumethat on the av

erage there are 10 calls per hour. Determine the followingprobabilities:a. exactly 5 calls in one hourb. 3 or fewer calls in one hourc. exactly 15 calls in two hoursd. exactly 5 calls in 30 minutes

Mathematics
1 answer:
Elza [17]3 years ago
7 0

Answer:

<u><em>note:</em></u>

<u><em>solution is attached due to error in mathematical equation. please find the attachment</em></u>

You might be interested in
Which trigonometric function has the same value as sin 75°?
monitta

Answer:

cos 15 degrees is your answer.

Answer choice (b)


6 0
3 years ago
Read 2 more answers
The portions of a house that need to be heated can be modeled by one rectangular prism with a length of 45 feet, a width of 20 f
nignag [31]

Answer:

12150 ft^3

Step-by-step explanation:

= (45)(20)(10) + (350)(9)

= 9000 + 3150

= 12150 ft^3

4 0
2 years ago
Solve for j: J/-2+7=-12
Anestetic [448]

Answer:

J=38

Step-by-step explanation:

Subtract 7 to both sides so J/-2=-19

Then multiply -2 to both sides to get -19 times -2

That equals to 38

6 0
2 years ago
Write a real world situation that could be represented by the system of equations shown below.
natali 33 [55]
You could say:

y = 4x + 10

John runs 10 miles a week, after every month he adds 4 miles.

y = 3x + 15

Mary runs 15 miles a week, after every month she adds 3 miles.

'y' would represent the total miles and 'x' would represent the number of months.
4 0
2 years ago
EASY 12 POINTS ❗️❗️
Taya2010 [7]

Answer:

A  Water freezes in the cracks.

Step-by-step explanation:

Brainiest plz hope that help??

7 0
2 years ago
Other questions:
  • Whats the fraction form for 0.44
    14·2 answers
  • If y varies directly as x and y = 144 when x = 8, find y when x = 4.
    8·1 answer
  • Daria selected a number from the positive integers less than 10. What is the probability that she selected a prime number?
    5·2 answers
  • If the P-value is 0.02, it means that the probability of obtaining the sample statistic is 2%, if the null hypothesis is true. t
    6·1 answer
  • Write the equation of the line of best fit using the slope-intercept formula y=mx+b. Show all your work, including the points us
    8·1 answer
  • Beverley has quarters and dimes in her pocket. She has 21 coins with a total value of $3.00. How many of each type of coin does
    8·1 answer
  • Can someone please help someone who is good at geometry because I’m not sad face :(
    14·1 answer
  • Irrelevant answers will be reported. DUE TODAY!!!
    8·1 answer
  • 16 1/9+ -4 2/3 help please??
    7·1 answer
  • A cylinder has a volume of 90pi and a radius of 3. what is the height?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!