What allows the speaker to determine if the audience is engaged or listening?

5.2 Pottery was also especially important to the African farmers because it served many uses. Name any three you can think of. (3)

Several factors influence a public speaker’s delivery, including:

Resting heart rates for a population are normally distributed with a mean of 72 bpm and a standard deviation of 10 bpm. If a sample of 16 people is randomly chosen, find the probability their mean heart rate is more than 75 bpm. Hints: Recall the central limit Theorem: The mean of the sampling distribution = mean of the population, but the standard deviation is adjusted (

Which of these is an example of a specific purpose?

When you switch from one main point to the next within the body of the speech, use ______________ that clearly signpost the direction in which you are going. 

Which of the following is NOT an element of an argument?

A company plans to invest in a particular project. There is a 35% chance that they will lose $30,000, a 25% chance they will make a profit of $55,000, and a 40% chance that they will make a profit of $0 (which is breaking even). What is the company’s expected profit? Hints: Expected profit =

Which term is not correctly matched?

When two similar liquids mix to form a solution, the entropy of solution (ΔSsoln) is expected to be