To Determine Whether a New Drug Designed to Lower a Person's

question 14

Essay

To determine whether a new drug designed to lower a person's heart rate is effective or not, Dr.Johnson gives the medicine to a random sample of 100 patients with Rapid Heart Rhythm RHR) and obtains a sample mean of 128.Dr.Johnson knows the heart rate of the population of individuals with RHR is 135 with $\sigma_{X}=40$ .If Dr.Johnson uses a one-tailed test and α = .05, what is the appropriate conclusion?

---

Definitions:

Height Box

A term that might refer to the CSS property used to specify the height of an element's box in web design, though not a standard term.

Row Border

A line or boundary that separates one row from another in a table, which can be styled in various ways for emphasis or clarity.

Cell Margins

The space or padding inside table cells in spreadsheets or document editing software, between the cell content and its borders.

Cell Width

The horizontal dimension of a cell in a spreadsheet or table, which can be adjusted to fit content.