Question 1
Four hundred accidents that occurred on a Saturday night were analyzed. The number of vehicles involved and whether alcohol played a role in the accident were recorded. The results are shown below:
| Number of Vehicles Involved |
Suppose that one of the 400 accidents is chosen at random. What is the probability that the accident involved more than a single vehicle?
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Question 2
A fast-food restaurant chain with 700 outlets in the United States has recorded the geographic location of its restaurants in the accompanying table of percentages. One restaurant is to be chosen at random from the 700 to test market a new chicken sandwich.
What is the probability that the restaurant is located in the northern portion of the United States?
◦ 0.56
◦ 0.44
◦ 0.40
◦ 0.16
Biomagnification in a Lake Ontario food chain.
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The basalt below the hominins is dated to 1.8 million years ago, and the geomagnetic polarity of the
Fast food effects on body