Solve the problem.
A researcher claims that the amounts of acetaminophen in a certain brand of cold tablets have a standard deviation different from the 3.1 milligrams claimed by the manufacturer. Assuming that a hypothesis test of the claim has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.
◦ There is not sufficient sample evidence to support the claim that the standard deviation is different from
◦ There is sufficient sample evidence to support the claim that the standard deviation is equal to
◦ There is not sufficient sample evidence to support the claim that the standard deviation is equal to
◦ There is sufficient sample evidence to support the claim that the standard deviation is different from
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X^4-2x^3-3x^2+4x+4=0 Solve the following equation
How do you solve this 3x^2 -7x +2 and (x-1)^2 + (y-7)^2 =6