the table shows the enrollment in a university class so far, broken down by student type. adult education 7…
the table shows the enrollment in a university class so far, broken down by student type. adult education 7 graduate 2 undergraduate 9 considering this data, how many of the next 12 students to enroll should you expect to be undergraduate students? undergraduate students
Answer
Explanation:
Step1: Calculate total students so far
$7 + 2+9=18$
Step2: Calculate probability of undergraduate
$P(\text{undergraduate})=\frac{9}{18}=\frac{1}{2}$
Step3: Calculate expected number of undergraduates
Expected number = Probability $\times$ Number of new students $\frac{1}{2}\times12 = 6$
Answer:
6