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slamgirl [31]
2 years ago
13

Suppose a population parameter is 0.8, and many large samples are taken

Mathematics
1 answer:
iragen [17]2 years ago
5 0

Using the Empirical Rule, it is found that standard deviation of the sample proportions is of 0.058.

<h3>What does the Empirical Rule state?</h3>

It states that, for a normally distributed random variable:

  • Approximately 68% of the measures are within 1 standard deviation of the mean.
  • Approximately 95% of the measures are within 2 standard deviations of  the mean.
  • Approximately 99.7% of the measures are within 3 standard deviations of the mean.

0.684 and 0.916 is within 2 standard deviations of the mean(below and above), hence there are 4 standard deviations between these measures, so:

4s = (0.916 - 0.684)

s = (0.916 - 0.684)/4

s = 0.058.

More can be learned about the Empirical Rule at brainly.com/question/24537145

#SPJ1

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Trigonometry problem​
iragen [17]

Answer: -3π/2

Step-by-step explanation:

The unit circle is tricky, but here are some things to know:

  • When measuring angles, you usually move in the counter-clockwise direction. If you are moving clockwise (like shown in your picture), the angle will be negative.
  • The unit circle is typically measured in radians, not degrees

              - To convert from radians to degrees, multiply by 180/π

              - To convert from degrees to radians, multiply by π/180

  • The whole unit circle measures 2π (360 degrees). This means that the positive x-axis can be referred to as 0 or 2π, the positive y-axis is referred to as π/2, the negative x-axis is referred to as π, and the negative y-axis is referred to as 3π/2.

              -If the angle is negative, switch the signs of the axis above.

The information above is all you need to answer the above question, but if you want/need anything else on the unit circle, just let me know.

6 0
2 years ago
Select Is a Function or Is not a Function to correctly classify each relation
yaroslaw [1]
A function relates an input to an ouput. (remember: an input only can have one ouput)

A)it is not a function;
Becacuse we had an input (3) with two outputs (7) and (6); look at the points (3,7) and (3,6)

B) is a function
Because ir relates an input to one output.

C)it is not a function
Becacuse we had an input (4) with two outputs (2) and (6); look at the points (4,2) and (4,6)

D) it is a function
Because it relates an input to one output

5 0
3 years ago
Read 2 more answers
Cari knows that a certain species of fish need 240 cubic feet of water in their tank.the tank has a height of 12 feet and a widt
pochemuha

The equation that can be used to find the length of the tank is 240 = l × 12 × 10

<h3>How to find the volume of rectangular prism?</h3>

The volume of a rectangular prism can be found as follows:

volume of rectangular prism = lwh

where

  • l = length
  • w = width
  • h = height

Therefore,

volume of rectangular prism = lwh

volume of rectangular prism = 240 ft³

h = 12 ft

w = 10 ft

Therefore, the let's find the length of the tank.

240 = l × 12 × 10

240 = 120l

divide both sides by 120

l = 240 / 120

l = 2

learn more on volume here:brainly.com/question/21308574

#SPJ1

8 0
1 year ago
Help guys with this question
blondinia [14]

Answer:

the answer is 1/2!!

Step-by-step explanation:

Good luck at that quiz izz!

Hope this helps! :)

8 0
1 year ago
Read 2 more answers
The ordered pair below is a solution to which equation?
Helga [31]
Hello,

One solution is y=x/9
================
6 0
3 years ago
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