Perimeter of the rectangle l=8 yd 2 ft W = 6yd 1ft
1 answer:
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Answer:
Step-by-step explanation:
Previous concepts
A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".
The margin of error is the range of values below and above the sample statistic in a confidence interval.
Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".
represent the sample mean for the sample
population mean (variable of interest)
s represent the sample standard deviation
n=5 represent the sample size
Solution to the problem
The confidence interval for the mean is given by the following formula:
(1)
And for this case we know that the 95% confidence interval is given by:
And the margin of error is given by:
And the margin of error is given by:
The degrees of freedom are given by:
And the critical value for 95% of confidence is
So then we can find the deviation like this:
And for the 99% confidence the critical value is:
And the margin of error would be:
And the interval is given by:
Answer:
Step-by-step explanation:
Consider the provided number.
We need to find the approximate value of to the nearest hundredth.
First find two perfect squares that the irrational number falls between.
118 is lying between 100 and 121, therefore the square root value of 118 will be somewhere between 10 and 11.
118 is closer to 121 as compare to 100.
Therefore,
Consider the number
First find two perfect squares that the irrational number falls between.
319 is lying between 289 and 324, therefore the square root value of 319 will be somewhere between 17 and 18.
319 is closer to 324 as compare to 289.
Therefore,