The student government claims that 80% of all students favor an increase in student fees to buy indoor potted plants for the classrooms. A random sample of 10 students produced 2 in favor of the project. Required:
a. What is the probability that 2 or fewer in the sample will favor the project, assuming the student government's claim is correct?
b. Do the the data support the student government's claim, or does it seem that the percentage favoring the increase in fees is less than 85%?

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.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

If g^-1(x) is the inverse of g (x) which statement must be true