Translate the sentence into an inequality. Twice the difference of a number and 8 is at least 26 . Use the variable w for the un
1 answer:
You might be interested in
The Constructed confidence interval for the proportion of her photographs taken within the last year contained flowers is
From the question we are told that:
The proportion of photographs that had flowers P= 0.61
Margin of error of M.E= 0.04
Generally, the equation for Confidence interval for proportion is mathematically given by
P \pm M.E
Therefore Confidence interval is
And can also be written as
In conclusion the Confidence interval is
For more information on this visit
Answer:
The 80% confidence interval for the mean consumption of meat among people over age 23 is between 4 and 4.2 pounds.
Step-by-step explanation:
We have that to find our level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of .
So it is z with a pvalue of , so
Now, find M as such
In which is the standard deviation of the population and n is the size of the sample.
The lower end of the interval is the mean subtracted by M. So it is 4.1 - 0.07 = 4.03 pounds
The upper end of the interval is the mean added to M. So it is 4.1 + 0.07 = 4.17 pounds
Rounded to one decimal place
The 80% confidence interval for the mean consumption of meat among people over age 23 is between 4 and 4.2 pounds.
Answer:
Step-by-step explanation:
Let c be the number.
We are asked to write an expression for given verbal description.
7 times the number c would be .
Two less than seven times a number means 2 subtracted from .
Two less than seven times a number c would be .
Therefore, our required expression would be .