Complementary angles add up to 90 degrees. Therefore, the answer is c. 18 + 72 = 90
The alpha level should always be set to 0.05.
The supplied statement;
How should you select the alpha() level when doing a significance test in practice,
⇒ Use a higher alpha when the consequences of wrongly rejecting the null hypothesis are more severe. Select alpha () = 0.05 in every situation since it is the best option. Use a smaller alpha when the consequences of wrongly rejecting the null hypothesis are more severe.
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Answer:
With? I dont see an image if you attached one
Step-by-step explanation:
The answer is 6 since 2*6 is 12 and 12-8 is 4