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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!posted picture of question
olchik [2.2K]
Answer:
\frac{x^2 - 5}{4x + 1}, x ≠ -1/4

Explanation:
We are given that:
f (x) = 4x + 1
g(x) = x² - 5

We want to find the value of (g/f)(x). This means that we will simply divide g(x) by f(x) as follows:
( \frac{g}{f} )(x) =  \frac{g(x)}{f(x)} =  \frac{x^2 - 5}{4x + 1}

Now, we should note that any function is undefined if its denominator is equal to zero.
This means that for our current function:
4x + 1 cannot be equal to zero
4x + 1 = 0
4x = -1
x = -1/4
This means that the value of x cannot be -1/4, otherwise, our function would be undefined.

Based on the above, the last option is the correct one.

Hope this helps :)
8 0
3 years ago
An online ticket seller charges $44 for each ticket ton concert, plus a fixed handling fee of $12. Define the unknown variables
enot [183]

Answer:

x= number of tickets bought

y= total

44x+12=y

8 0
3 years ago
Solve the system using elimination.<br><br> 2x-4y=-22<br> 7x+5y=18<br><br> what are the coordinates
user100 [1]

Answer:

The coordinates are (22, 18)

Step-by-step explanation: hope this helps its a bit easy if ur in middle school

6 0
3 years ago
The mass of the sun is 1.989x10^30 kilograms. The mass of the earth is 5.98x10^24 kilograms. About how many times bigger is the
katrin2010 [14]
The sun is 332608.6957 times bigger than earth, or 3.326086957*10^5 times bigger.
3 0
3 years ago
Could someone please tell me how to solve this?
brilliants [131]
You would take the CUBED ROOT of 125 instead of the square root, this will help find your answer..
It’s 5, because 5^3 is 125
6 0
2 years ago
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