Determine the point estimate of the population mean and margin of error for the confidence interval. lower bound is 22, upper bound is 28the point estimate of the population mean is margin of error for the confidence interval is

The point estimate of the population mean is 25.

The margin of error for the confidence interval is 3 .

Step-by-step explanation:

The confidence interval for population mean is given by :-

, here is the point estimate of the population mean and E is the margin of error .

As per given , we have

Lower bound of CI =   (1)

Upper bound of CI =    (2)

Add (1) and (2) , we get

Subtract (1) from (2) , we get

Hence, the point estimate of the population mean is 25.

The margin of error for the confidence interval is 3 .

x =±sqrt(1/3)

step-by-step explanation:

x+4/6x=1/x

multiply each side by 6x to get rid of the fractions

6x*(x+4/6x)=1/x*6x

distribute

6x^2 +4 = 6

subtract 4 from each side

6x^2 +4-4 = 6-4

6x^2 =2

divide by 6

6x^2/6 = 2/6

x^2 = 1/3

take the square root of each side

sqrt(x^2) = ±sqrt(1/3)

x =±sqrt(1/3)

step-by-step explanation:

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