Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase

تمرين 58

College life: Student Government The student government claims that 85% of all students favor an increase in student lees to buy indoor potted plants for the classrooms. A random sample of 12 students produced 2 in favor of the project. What is the probability that 2 or fewer in the sample will favor the project, assuming the student government's claim is correct Interpretation Do the data support the student government's claim, or does it seem that the percentage favoring the increase in fees is less than 85%