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
tekilochka [14]
3 years ago
6

N a poisson probability problem, the rate of errors is one every two hours. what is the probability of at most three defects in

four hours
Mathematics
1 answer:
pishuonlain [190]3 years ago
7 0
Mean for each hour = 1
Mean for four hours, m = 4

P(x,m)=m^x*e^(-m)/x!
where x is number of defects.

P(X<=3,4)
=P(X=0,4)+P(X=1,4)+P(X=2,4)+P(X=3,4)
=0.01832+0.07326+0.14653+0.19537
=0.43355

Probability of at most 3 defects in four hours is 0.43355
You might be interested in
Graph the linear equation 3x - y = 12. Write the equation in slope-intercept form,
S_A_V [24]

Answer: y=3x-12

Step-by-step explanation:

5 0
2 years ago
Question about dilation attached in images.
statuscvo [17]
This is an enlarged dilation
5 0
3 years ago
Factor the expression x^4 -1 using the polynomial identify x^2-y^2)=(x-y)(x+y)
Orlov [11]

Answer:

(x - 1)(x + 1)(x² + 1)

Step-by-step explanation:

Step 1: Factor Difference of Squares

(x² - 1)(x² + 1)

Step 2: Factor Difference of Squares for non-complex binomial root

(x - 1)(x + 1)(x² + 1)

And we have our answer!

3 0
3 years ago
What is the area of a triangle of the height is 5 and the width is 3 PLEASE HELP I HAVE TO SUBMIT SOON
andrew-mc [135]

Answer: 7.5

Step-by-step explanation:

The formula for the area of a triangle is height times base (or width) divided by 2. It is written as:

BxH/2

So when you put your numbers in the calculator you get this:

3×5/2=7.5

Hope this helps :)

8 0
2 years ago
Im so confused pls help!
Digiron [165]

-\frac{1}{2} *(-\frac{5}{6} )+(-\frac{1}{2} )*\frac{1}{3} \\=\frac{5}{12} -\frac{1}{6} \\=\frac{5}{12} -\frac{2}{12} \\=\frac{3}{12} \\\frac{1}{4}

7 0
2 years ago
Read 2 more answers
Other questions:
  • What is the prime factorization of 69?
    8·1 answer
  • How do you use a number line to solve 235+123
    10·1 answer
  • I just need number 15 pls it is due in 3 hours <br><br> Worth 15 points
    7·2 answers
  • Given that sec(θ)=5/3 and θ is in Quadrant I, what is tan(θ)? Write your answer in exact form. Do not round.
    7·1 answer
  • Factor completely 2x^2 +6x -108
    14·1 answer
  • Please PLEASE HELPPP!!!!!!
    7·1 answer
  • Y=.5x+4 <br> Y= -.25x^2+5 <br> Using the quadratic formula, what are the solutions?
    10·1 answer
  • Find the domain and range for the function
    15·1 answer
  • Find the surface area of the solid figure
    11·1 answer
  • Find the identical expression for cos(A+B) /sinAcosB
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!