You need to wrap a present that is in the shape of a rectangle prism. The present has a length of 8.5 inches, a width of 6 inche
s, and a height of 5.5 inches. Find the total surface area of the present.
261.5 in2
130.75 in2
228.5 in2
306 in2
261.5 in2
130.75 in2
228.5 in2
306 in2
1 answer:
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Answer:
Yes. There is sufficient eveidence to support the claim that Wilmington resident's earn more than the national average
Step-by-step explanation:
Given the following;
#We set our hypothesis as:
The rejection region of either hypothesis:
, we determine the critical values for this probability in the T distribution table;
=>We reject for all values greater than 1.833, t>1.833.
#We now determine the value of the test statistic as:
We find that:
Hence, there is sufficient eveidence to support the claim that Wilmington resident's earn more than the national average.