Online Exam 4_04
Return to Assessment List
Part 1 of 1 -
Question 1 of 20
5.0/ 5.0 Points
A math teacher gives two different tests to measure students aptitude for math. Scores on the
first test are normally distributed with a mean of 24 and a standard de
Part 1 of 1 -
Question 1 of 20
5.0/ 5.0 Points
The stacked bar chart below shows the percentages of death due to cancer in four
geographic regions of the U.S. that occurred in three ethnic groups in 2003.
In which geographic area did Hispanics account for
Online Exam 6_06
Return to Assessment List
Part 1 of 2 -
Question 1 of 40
42.5/ 50.0 Points
2.5/ 2.5 Points
A class consists of 50 women and 82 men. If a student is randomly
selected, what is the probability that the student is a woman?
A. 32/132
B. 27/66
Online Exam 4_04
95.0/ 100.0 Points
Question 1 of 20
5.0/ 5.0 Points
Decide which of the described variables is/are likely to have a normal
or near-normal distribution.
a) The heights of corn stalks in one row of corn that is half a mile long
b) The numbe
Online Exam 2_02
Return to Assessment List
Part 1 of 1 -
Question 1 of 20
100.0/ 100.0 Points
5.0/ 5.0 Points
The stacked bar chart below shows the percentages of death due to cancer in four geographic
regions of the U.S. that occurred in three ethnic gro
Online Exam 3_03
Return to Assessment List
Part 1 of 1 -
Question 1 of 20
90.0/ 100.0 Points
5.0/ 5.0 Points
Al and Joe are two county sheriffs deputies assigned to watch for traffic violations. Their
arrest and conviction records for May and June are sho
Question 1 of 40
2.5/ 2.5 Points
In the past, the mean running time for a certain type of flashlight battery has been 9.8 hours. The
manufacturer has introduced a change in the production method and wants to perform a
hypothesis test to determine whether
Question 1 of 40
2.5/ 2.5 Points
A bag contains 4 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly
selected from the bag, what is the probability that it is blue?
A. 2/11
B. 3/11
C. 5/14
D. 3/14
Question 2 of 40
2.5/ 2.5 Points
Su
Question 1 of 20
5.0/ 5.0 Points
The annual precipitation amounts in a certain mountain range are normally distributed with a
mean of 88 inches, and a standard deviation of 10 inches. What is the likelihood that the mean
annual precipitation during 25 ran
Question 1 of 20
5.0/ 5.0 Points
The federal government requires a car manufacturer to have a minimum miles per gallon (mpg)
average over the cars it makes. Suppose that the models and mpgs for a manufacturer are
Corsair (31 mpg), Futura (30 mpg), Retro (
Question 1 of 20
Which line chart below represents the data in the table?
A.
B.
0.0/ 5.0 Points
C.
D. None of the above
Question 2 of 20
Alan tossed a die 50 times and obtained the results shown in the dot plot below.
5.0/ 5.0 Points
How many times did he
Part 1 of 1 Question 1 of 20
95.0/ 100.0 Points
5.0/ 5.0 Points
Data has been collected from a representative sample of a well-defined population to answer the
question: How much money does the average senior male at Normal Community High School
have in h