A 35-year-old patient has a serum potassium level of 5.6 mmo…

A 35-year-old patient has a serum potassium level of 5.6 mmol/L. The laboratory report lists the reference range for serum potassium as 3.5–5.1 mmol/L. The provider contacts the lab to ask whether this value should be considered abnormal. Which of the following best explains how the reference range should be used in this context?

According to 2021 Gallup poll, 37% of adult Americans consid…

According to 2021 Gallup poll, 37% of adult Americans consider themselves to be “moderate”. Cincinnati State students taking MAT 131 were asked to disclose their political philosophy and the results are located in the variable IDEOLOGY. For a certain semester, 73 students reported themselves to be “moderate” out of 182 students who were asked the question. Treat the results of the survey as a random sample of all Cincinnati State students who will take MAT 131. Do the results suggest the proportion of Cincinnati State students taking MAT 131 who consider themselves to be “moderate” is different than that reported by Gallup? Use an alpha level of 0.01.State the null and alternative hypothesis for this situation and the type of tail.