A firm claims that their sports drink has 140mg of potassium a random sample of 20 bottles had a mean 138 mg and a standard deviation of 2.0mg a test at 10%level is to be conducted to determine whether the true mean is less than the firms claim calculate the test statistic used for the test of the hyothesis

correct answer is b. 27/8

step-by-step explanation:

because that’s us why

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.