Preview Assessment Practice Test 2
http://cp01.coursecompass.com/webapps/assessment/take/launch.jsp?.
..
1 of 2
2/11/2009 6:36 PM
COURSES
>
MATH 1711, SPRING 2009
>
CONTROL PANEL
>
ASSIGNMENTS
> PREVIEW ASSESSMENT PRACTICE TEST 2
Preview Assessment Practice Test 2
Name:
Practice Test 2
Instructions:
Multiple Attempts:
This Test allows multiple attempts.
Force Completion:
This Test can be saved and resumed later.
Question 1
Fill in the Blank
15 points
A fair coin is tossed four times. Find the probability that at least 2 heads appear if it is known that the first
toss was a head. Write your answer as a decimal.
Question 2
Fill in the Blank
14 points
The enrollment in a particular mathematics course consists of 20% freshmen, 30% sophomores, 40%
juniors, and 10% seniors. The likelihood of earning a grade of "A" in the course is 0.2 for freshmen, 0.4 for
sophomores, 0.6 for juniors, and 0.3 for seniors. A student is selected at random from this class. If it is
known that the student made an "A", find the probability that the student is a freshman. Round your
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
This is the end of the preview.
Sign up
to
access the rest of the document.
 Spring '08
 Evans
 Math, Probability theory, Decimal, Coin flipping, Toss

Click to edit the document details