Various types of doctors attended a large medical conference. Someone leading a session asked the 303030 doctors in attendance how many years of experience they each had. The 151515 dermatologists at the session had an average of 888 years of experience. For which population is 888 years a legitimate estimate of the average experience? Choose 1

(Choice A)

A The dermatologists at that session only

(Choice B)

B All doctors at that session only

(Choice C)

C All dermatologists at that conference only

(Choice D)

D All doctors at that conference only

(Choice E)

E All dermatologists

Found the The dermatologists at that session only

The 15 dermatologists at this session weren't randomly selected from a larger population. They may not be representative of all doctors or even all dermatologists on the question of experience.

(01.03 mc) which of the following is a step in simplifying the expression x multiplied by y to the power of 2 over x to the power of negative 3 multiplied by y to the power of 3, the whole to the power of negative 4. select one: a. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 7 multiplied by y to the power of negative 1. b. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of 12 multiplied by y to the power of negative 12. c. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of negative 3 multiplied by y to the power of 3. d. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 3 multiplied by y to the power of 3.