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1. In a recent study, the following responses were obtained to the question, “Do you favor...

1. In a recent study, the following responses were obtained to the question, “Do you favor recycling in your neighborhood?”. Given that the respondent was a female, what is the probability that she indicated "No Opinion" in her response? Round your result to 2 significant places after the decimal (For example, 0.86732 should be entered as 0.87).

Yes       No      No Opinion
Male 92 48 47
Female 78 63 49

2.

Given the following discrete probability distribution, calculate the standard deviation of the random variable X. Round your answer to 2 significant places after the decimal.

x P(x)
-1 0.23
2 0.25
4 0.36
6 0.16
math   Statistics-And-Probability   
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