A survey was conducted to study the smoking habits of U.S. r…

A survey was conducted to study the smoking habits of U.S. residents. Below is a data matrix displaying a portion of the data collected in this survey. How many variables are categorical? sex age marital gross Income smoke amountWeekends amountWeekdays Female 42 Single Under $2,600 Yes 12 12 Male 44 Single $10,400 to $15,600 No 8 8 Male 53 Married Above $36,400 Yes 6 6 … … … … … … … Male 40 Married $2,600 to $5,200 Yes 8 8  

Suppose you have a data set with the following five-number s…

Suppose you have a data set with the following five-number summary: Minimum = 26, Q1 = 32, Median = 34, Q3 = 38, Maximum = 58. What is the upper cutoff point for potential outliers? (By upper cutoff point, we mean the number such that anything greater than it is an outlier). 

Many fire stations handle emergency calls for medical assist…

Many fire stations handle emergency calls for medical assistance as well as calls requesting firefighting equipment. A particular station says that the probability that an incoming call is for medical assistance is .85. Assuming that successive calls are independent of one another, what is the probability that two successive calls will both be for medical assistance?