5.96 High Gas Prices How do you cope with the high gas prices? Do you drive less or do you have other money-wise or even environmentally friendly innovative ideas? As a result of soaring fuel prices, most Canadians are either cutting down on the amount they drive, making other significant changes to their daily lives, or doing both. An Ekos poll revealed that 58% of Canadians say they have reacted in some sub- stantial way; 46% of Canadians say they are driving less; and 23% say they have made other adjustments. 18 Alternatively, some people are both driving less and making other adjustments. A random sample of 100 people was selected.

a. What is the average number of people who say they are driving less?

b. What is the standard deviation for the number of people who say they are driving less?

c. If 59 of the respondents in the sample said they are driving less, would this be an unusual occurrence? Explain.