Identify the sample as biased or unbiased and describe its type.

john wanted to know about the popularity of a particular movie. he surveyed 20% of the people in 5 different theaters.

a. biased, voluntary response sample

b. biased, convenience sample

c. unbiased, simple random sample

d. unbiased, systematic random sample

What kind of bond pays interest which is exempt from tax?

Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)