Answer:
The 95% confidence interval for μ for the given situation is between 87.49 and 94.51.
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 the margin of error 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 sample mean subtracted by M. So it is 91 - 3.51 = 87.49
The upper end of the interval is the sample mean added to M. So it is 91 + 3.51 = 94.51
The 95% confidence interval for μ for the given situation is between 87.49 and 94.51.
Answer:
C. is greater than zero.
Step-by-step explanation:
We know that graph is obtained from the function of the form . According to the graph and if , we find that:
(1)
(2)
By (1) and (2):
Hence, correct answer is C.
We have to divide both sides by -4 to get x by itself and solve the inequality
-4x∠16
---- ---
-4 -4
x∠-4
thats your final answer
Answer:
14.9
Step-by-step explanation:
First you square 14 which is 196, then you square 5 which is 25. You would then add them which is 221. You find the square root of 221, that is 14.8660687473
. The answer says to round to the nearest tenth which becomes 14.9.
Hope this helps:)
Answer:
<h3>1.47 * 10^8</h3><h3>
</h3>
Step-by-step explanation:
Given the value 141700000, we are to express in scientific notation
The standard form is expressed as A * 10^n
A is any integer between 1 and 10
n is also any integer
141700000.= 1.47 * 10^8
Note that the decimal point was shifted back 8 times, main reason the power is 8