For Exercises perform each of the following steps.
a. State the hypotheses and identify the claim.
b. Find the critical value(s).
c. Compute the test value.
d. Make the decision.
e. Summarize the results.

In 2009, 45.6% of motor vehicle accidents involved no improper driving. In an area comprised of six adjoining counties, it was found that out of 110 randomly selected accidents, 60 involved improper driving in some way. At the 0.10 level of significance, is there sufficient evidence to conclude that the proportion of accidents involving improper driving differs from the 2009 proportion?