Answer:
-2/3
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Answer: 
Step-by-step explanation:
Since we have given that
A very large study showed that aspirin reduced the rate of heart attacks by 44%.
we claim that they have a drug that will be more effective than aspirin.
so, our hypothesis would be

So, it will be one tail test.
Hence, 
6^(x - 3/4) = 6^(1/2)
since 6 is the base on each side:-
x- 3/4 = 1/2
x = 1/2 + 3/4
x = 5/4 (or 1 1/4)
-4.5,-5.5
Step-by-step explanation:
-8-1/2 , -8-3/2
=-4.5 , -5.5 (midpoint)