A Student Asked a Statistics Professor If Grades Were Marked

question 20

Multiple Choice

A student asked a statistics professor if grades were marked "on the curve." The professor decided to give the student a project to determine if last year's statistics grades were normally distributed. The professor told the student that last year's mean mark was 70 with a standard deviation of 10 and to use the following results. What is the expected number of A's?

• A) 18.25
• B) 20.00
• C) 13.59
• D) 15.87
• E) 15.63

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Definitions:

Simp

A slang term often used to describe someone who performs excessive subservience or attention to another person, typically someone they're interested in, often disregarding their own needs or dignity.

MP

Short for Modus Ponens, a form of argument in logic where if the first statement is true, then the second statement must also be true (If P, then Q. P, therefore Q).

Simp

An internet slang term derogatorily used to describe someone who is perceived as overly submissive or attentive to someone else, often without receiving any attention or affection in return.

Add

To attach or combine one thing with another to augment its size, quantity, or total.