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The next few questions involve scores on the Graduate Record Examination (GRE). The information will be repeated for each question.   Scores on the verbal portion of the GRE follow a normal distribution with a mean of 550 and standard deviation of 120.   Question: The middle 95% of the scores fall between a low score of [low] and a high score of [high].

Big Pharma is currently selling a migraine medication called Go Away, Migraine. Suppose that this product works for 80% of all people who use it.   Suppose you choose one random sample of 350 people from the population of people who buy the product. The sample proportion of people for whom the product worked is 0.75. Determine the z-score for this sample proportion.

Given a normal distribution, determine the z-score that has an area to its left of 0.8212.  

As laid out by Tuzo Wilson the Wilson (Tectonic) Cycle would end with which of the following?

Fossils must be a body part of the organism.

Which of the following is the correct order in which sediment becomes a sedimentary rock?

All plate tectonic boundaries exhibit which of the following?

When blood is allowed to clot and the clotted blood is separated from the remaining fluid, what is the fluid called?

Lymph flows through at least one lymph node before as it returns from peripheral limbs before re-entering the blood stream.

What is one function of blood?