A police department tracks the number of burglaries that occ…

A police department tracks the number of burglaries that occur each day for a 100 day period.  The following probability distribution represents the number of burglaries each day and their corresponding probabilities.  Using this, find the mean of the probability distribution.   X 0 1 2 3   P(x)   40100{“version”:”1.1″,”math”:”40100″}   50100{“version”:”1.1″,”math”:”50100″}   9100{“version”:”1.1″,”math”:”9100″}   1100{“version”:”1.1″,”math”:”1100″}  

The following table summarizes the data from a survey concer…

The following table summarizes the data from a survey concerning Texas teenagers and whether they had smoked in the last month.     Smoker Non-Smoker Total Male 234 316 550 Female 189 261 450 Total 423 577 1000           Given that a randomly selected person from the sample is a smoker, what is the probability that the person is female?