In a study, 44 of adults questioned reported that their health was excellent. A researcher wishes to study the health of people living close to a nuclear power plant.
Among 11 adults randomly selected from this area, only 3 reported that their health was excellent. Find the probability that when 11 adults are randomly selected, 3 or fewer are in excellent health.
A) 0.1403 B) 0.1359 C) 0.0740 D) 0.2100
Question 2
When the chi-square statistic is used to analyze the frequencies of a single variable, it is referred to as a test of .
a. association
b. covariation
c. goodness-of-fit
d. independence
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Most Canadian seniors rated their health as good to excellent.