Probability and statistics question
testing positive for a disease when you don't really have the disease is which of these? 
a. neither a false negative nor a false positive
b. both a false negative and a false positive
c. a false positive
d. a false negative

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Equation for the calculation double 2 and then add 5