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
arsen [322]
4 years ago
9

A fair die is rolled 360 times. Find the probability that: a) less than50 results are a 6. B) between 55 and 65 results (inclusi

ve) are a 6

Mathematics
1 answer:
Karolina [17]4 years ago
8 0
For this problem, you haven = 360p = 1/6q = 5/6 E[x] = np = 360*1/6 = 60SD[x] = √(npq) = √(360*1/6*5/6) = √(50) ≈ 7.07
You might be interested in
The first steps in writing f(x) = 4x2 + 48x + 10 in vertex form are shown.
seraphim [82]

Keywords:

<em>Quadratic equation, vertex shape, parabola </em>

For this case we have to rewrite the given quadratic equation, in the form of vertex, for this, we must take into account that a quadratic equation of the form ax ^ 2 + bx + c = 0, can be rewritten in the form of vertex as: y = a (x-h) ^ 2 + k. Vertice is the lowest or highest point of the parabola. The vertex is given by: (h, k). So, let: f (x) = 4x ^ 2 + 48x + 10, to find the equation in the form of vertex, we follow the steps below:

Step 1:

We take the common factor to the first two terms of the equation:

f (x) = 4 (x^2 + 12x) + 10

Step 2:

We work square:

We divide the coefficient of the term "12x" by 2 and its result is squared, that is:

(\frac {12} {2}) ^ 2 = 36

So, we have:

f (x) = 4 (x^2 + 12x + 36-36) + 10

Step 3:

We simplify:

f (x) = 4 (x^2 + 12x + 36) + 10- (4 * 36)

Step 4:

We factor:

f (x) = 4 (x + 6) ^ 2-134

Thus, h = -6\ and\ k = -134

Answer:

The equation in the form of vertex is: f (x) = 4 (x + 6) ^ 2-134, and the vertex is (h, k) = (- 6, -134)

4 0
3 years ago
Read 2 more answers
What equals ? x 9 = 855 <br><br> Thanks
lana [24]
The answer is “95”

All you have to do to figure this out is Take both numbers and divide them

Ex.) 855/9 = 95
7 0
4 years ago
What is the answer too 2(3d+3)
goblinko [34]

2(3d+3)

multiply the bracket by 2

(2)(3d)=6d

(2)(3)=6

answer:

6d+6

8 0
4 years ago
Please help with the question in the atachment...
Helen [10]
S/8 x -6/t
-6s/8t

-3s/4t

4 0
3 years ago
What is the equation of the line in slope-intercept form?
MrMuchimi

Answer:

y  = mx + c

Step-by-step explanation:

m = gradient

c = y-intercept

4 0
3 years ago
Read 2 more answers
Other questions:
  • Seven divided by eighthundred nintey seven
    9·1 answer
  • A square banner has an area of 289 square inches.
    10·1 answer
  • If PQ is 75 meters what is the perimeter of the triangular garden in meters
    13·1 answer
  • What is the simplified expression for this
    7·2 answers
  • The values of a,b, and c in scientific notation are 3.47 x 10^-6, 4.61 x 10^-7, and 5.52 x 10^-7, respectively. Complete the fol
    11·1 answer
  • The middle school ski club plans ski trips and participants in ski competitions. If 25% of the students participate in ski compe
    9·1 answer
  • What is the period of the function?<br><br> 1.π<br> 2.2π<br> 3. 3π<br> 4. 4π
    6·1 answer
  • 15 POINTS ANSWER ASAP PLEASE
    10·1 answer
  • Find the area of the composite figure. round to the nearest tenth
    9·1 answer
  • Im gonna sleep after this but for now Help ^^
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!