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ANEK [815]
3 years ago
8

What is the range of the function?

Mathematics
1 answer:
alukav5142 [94]3 years ago
7 0

Answer:

all real numbers greater than or equal to 11

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The number of tickets purchased by an individual for Beckham College's holiday music festival is a uniformly distributed random
Zanzabum

1) Mean: 6.5

2) Standard deviation: 3.2

Step-by-step explanation:

1)

A uniform random distribution is the distribution of a variable that can assume n different values, and each of these values is equally likely to occur.

This means that the probability of occurring of each of these values is the same:

p(x_1)=p(x_2)=...=p(x_n)

For a uniform random distribution, the mean of the distribution is simply equal to the median value of the distribution, which is exactly at the center of the distribution itself. It can be calculated as

\bar x = \frac{1}{2}(a+b)

where

a is the lowest value of the distribution

b is the highest value of the distribution

Here the distribution consists of all values ranging from 1 to 12, so:

a = 1

b = 12

Therefore the mean value is

\bar x=\frac{1}{2}(1+12)=6.5

2)

For a uniform random distribution, it can be dimostrated that the variance of the distribution is

\sigma^2 = \frac{1}{12}(b-a)^2

For the distribution in this problem, we have:

a = 1

b = 12

Therefore the variance is

\sigma^2 = \frac{1}{12}(12-1)^2=10.08

The standard deviation is the square root of the variance, therefore for this distribution it is:

\sqrt{\sigma^2}=\sqrt{10.08}=3.2

Learn more about mean and standard deviation:

brainly.com/question/6073431

brainly.com/question/8799684

brainly.com/question/4625002

#LearnwithBrainly

3 0
3 years ago
There are a total of 18 frocks. If the ratio of purple frocks to white frocks is 2 to 4, how many of them are white?
Oksana_A [137]
I think it will be 2:4. 2X9=18 so u × 4×9=36 so its 18 to 36
7 0
3 years ago
What is the absolute value of │38│
ale4655 [162]

Answer:

38

Step-by-step explanation:

if there are bars around it its automatically positive even if it was -38 the absolute would still be 38.

7 0
3 years ago
Read 2 more answers
What is the value of x in the equation x + 24. 5 =34. 8
ser-zykov [4K]

Answer:

x = 10.3

Step-by-step explanation:

x + 24. 5 = 34.8

  - 24.5   - 24.5

x = 10.3

Check your answer:

x + 24. 5 = 34.8

10.3 + 24.5 = 34.8

34.8 = 34.8

Hope this helps!

3 0
2 years ago
Read 2 more answers
Solve the equation using inverse operations. Check your solutions. In your final answer, include all of your work.
Bess [88]
-2x^2=-15-5
-2x^2=-10
x^2=-5
X≠R i am not quite sure but...hope it helps :)
6 0
3 years ago
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