3 years ago

What is the purpose of calculating a confidence interval?

Mathematics

1 answer:

lidiya [134]3 years ago

7 0

Answer:

Is to give us a range of values for our estimated population parameter rather than a single value or a point estimate.

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shepuryov [24]

X=12 do you need an explanation?

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2 years ago

The sum of two numbers is 60 and the difference is 2 what are the numbers.

oksian1 [2.3K]

Let the two numbers be x and y
Then
x + y = 60
And
x - y = 2
x = y + 2
Putting the value of x in the first equation we get
x + y = 60
y + 2 + y= 60
2y + 2 = 60
2y = 60 - 2
2y = 58
y = 58/2
y = 29
Now putting the value of y in the first equation we get
x + y = 60
x + 29 = 60
x = 60 - 29
x = 31
So the value of the two numbers comes out to be 31 and 29. I hope the procedure is clear enough for you to understand.

7 0

3 years ago

Read 2 more answers

Write a linear function f either the values f (-1)=5 and f (3)=4

max2010maxim [7]

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$f(x) = - \frac{1}{4}x + \frac{19}{4} \\$