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Alina [70]
2 years ago
14

Exactly 32% of the students in a school play a sport. Fifty students are randomly selected to determine the probability that, at

most, 15 students play a sport. Should a binomial probability density function or cumulative distribution function be used? Explain. (4 points)
Mathematics
1 answer:
faltersainse [42]2 years ago
8 0

A binomial probability density function should be used to represent the probability

<h3>How to determine the type of probability density?</h3>

The given parameters are:

  • Proportion that plays sport, p = 32%
  • Number of students selected, p = 50
  • The probability, P = (x ≤ 15)

The proportion that plays sport indicates that

68% of the students do not play sport

So, we have two events, which are

  • Play sport
  • Do not play sport

When there are two possible events, then the binomial probability density function should be used

Read more about binomial probability density at:

brainly.com/question/15246027

#SPJ1

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Please help asap!!!!!!
RSB [31]

Answer:

z = 66

Step-by-step explanation:

QT is a midsegment. Thus, applying the midsegment theorem:

RS = 2(QT)

QT = z - 33,

RS = z

Plug in the values into the equation

z = 2(z - 33)

z = 2z - 66

Subtract 2z from each side

z - 2z = -66

-z = -66

Divide both sides by -1

z = 66

5 0
2 years ago
The soup was missing and 3/4 of the soup was gone 1/4 was in the pot. you have to feed 6 children. How much soup do you give to
postnew [5]

Answer:

1/24

Step-by-step explanation:

1/4 divided by 6 will equal 1/24 of the soup to each kid

this is reproved when you add 1/24 x 6 and it will give .25 which is 1/4

8 0
3 years ago
Read 2 more answers
What is the degree of the polynomial 3xy^2z−2z^5+2/3y^2z^4 ?
pav-90 [236]

Answer:

6 is the answer


4 0
3 years ago
Read 2 more answers
Related rates(calculus)
telo118 [61]

Answer:

The volume increases at a rate of 125663.71 mm^ 3 / s

Step-by-step explanation:

The rate of change of the radius with respect to time is 4 mm / s.


So:


\frac{dr}{dt} = 4mm / s

Now we must find a relationship between the volume of a sphere and its radius.


The equation of the volume of a sphere is:


V = \frac{4}{3}\pi r^ 3

So:


\frac{dV}{dt} = \frac{4}{3}\pi * 3r ^ 2 * \frac{dr}{dt}\\\frac{dV}{dt} = 4\pi r ^ 2 * 4\\\frac{dV}{dt} = 16\pi r ^ 2

The diameter of the sphere is 100 mm. Therefore its radius is 100/2 = 50 mm.


So:


\frac{dV}{dt} = 16\pi (50) ^ 2\\\frac{dV}{dt} = 40000\pi mm^3 / s


The volume increases at a rate of :

40000 π mm ^ 3 / s = 125663.71 mm^3/s

7 0
3 years ago
Adam ate 2 cherries. Stella ate 3 times as many cherries as Adam.
VashaNatasha [74]
The second sentence “ stella ate 3 times as many cherries as adam” it shows that stella ate 6 cherries.
5 0
2 years ago
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