1 miles on
You are running a fuel economy study. One of the cars you find is blue. It can travel 28
1
4.
1
gallons of gasoline. Another car is red. It can travel 21 miles on
4
gallon of gasoline. What is
5
5
the unit rate for miles per gallon for each car? Which car could travel the greater distance on 1 gallon
of gasoline?
oil w
The unit rate for the blue car is mile(s) per gallon.
(Simplify your answer. Type an integer, proper fraction, or mixed number.)
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Determine if the following statement is true or false. the normal curve is symmetric about its​ mean, mu. choose the best answer below. a. the statement is false. the normal curve is not symmetric about its​ mean, because the mean is the balancing point of the graph of the distribution. the median is the point where​ 50% of the area under the distribution is to the left and​ 50% to the right.​ therefore, the normal curve could only be symmetric about its​ median, not about its mean. b. the statement is true. the normal curve is a symmetric distribution with one​ peak, which means the​ mean, median, and mode are all equal.​ therefore, the normal curve is symmetric about the​ mean, mu. c. the statement is false. the mean is the balancing point for the graph of a​ distribution, and​ therefore, it is impossible for any distribution to be symmetric about the mean. d. the statement is true. the mean is the balancing point for the graph of a​ distribution, and​ therefore, all distributions are symmetric about the mean.