A container contains a large unspecified number of ping-pong balls. A student takes 80 balls from the container, marks them with a blue dot, returns the marked balls to the container, and thoroughly mixes the balls. She then takes 80 balls again from the container. Of these, 16 have blue dots. She now wants to use this data to estimate the total number of ping-pong balls in the container.The statistical method described in this example is called
A. capture-recapture.
B. a controlled study.
C. a census.
D. a survey.
E. none of these
Answer: A
Mathematics
You might also like to view...
Provide an appropriate response.For what values of a does the quadratic function f(x) = ax2 + 4x + 5 have two x-intercepts?
A. a > 
B. a > 
C. a < 
D. a < 
Mathematics
Graph the function.y = 3 csc x
A. 
B. 
C. 
D. 
Mathematics
Construct a boxplot.The weekly salaries (in dollars) of 24 randomly selected employees of a company are shown below. Construct a boxplot for the data set.31032045046047050052054058060065070071084087090010001200125013001400172025003700
A. 
B. 
C. 
D. 
Mathematics
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Mathematics