Which inequality models the situation, given that d represents distance?
The recommended amount of space between fence posts is greater than 6 ft.
A.
6d < 0
B.
d + 6 > 0
C.
d > 6
D.
d < 6
=>>> the answer is C. d>6
Answer:
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Step-by-step explanation:
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1) The formula used for determining the confidence interval is
Sample mean +/- Critical value (or z-score corresponding to 90% confidence) * Standard
error of mean
8439 +/- 1.645 * 100/sqrt 25
8439 +/- 1.645 * 20
8439 +/- 32.9
2) The only difference in this case is finding the critical value i.e., z-score corresponding to 92% confidence which is 1.75 approximately
Then the confidence interval is
8439 +/- 1.75 * 100/sqrt 25
8439 +/- 1.75 * 20
8439 +/- 35
Lower limit is 8439 - 35 = 8404
The upper limit is 8439 + 35 = 8474