In the recent civic election that took place in California, approximately 55.48% of voters voted in favor of reintroducing fluoride into the city's drinking water. Consider a survey of 17 Californians who voted in this election. Each of those surveyed was asked whether or not they voted in favor of reintroducing fluoride into the city's drinking water. a. What is the standard deviation of the number of voters surveyed who voted in favour of reintroducing fluoride into the city's drinking water? Answer: _____ women. (Round to at least FOUR digits after the decimal if necessary.)
In the recent civic election that took place in California, approximately 55.48% of voters voted in favor of reintroducing fluoride into the city's drinking water. Consider a survey of 17 Californians who voted in this election. Each of those surveyed was asked whether or not they voted in favor of reintroducing fluoride into the city's drinking water.
a. What is the standard deviation of the number of voters surveyed who voted in favour of reintroducing fluoride into the city's drinking water?
Answer: _____ women. (Round to at least FOUR digits after the decimal if necessary.)
b. Suppose you know that at most 8 of the voters surveyed voted in favour of reintroducing fluoride into the city's drinking water. What is the probability that exactly 3 of the voters surveyed voted in favor of reintroducing fluoride into the city's drinking water?
Answer: (Round to at least FOUR digits after the decimal if necessary.)
c. What is the probability that the 8th voter surveyed is the fourth voter to indicate that they voted in favor of reintroducing fluoride into the city's drinking water?
Answer: (Do NOT round your answer)
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