A telemarketer's computer selects phone numbers at random. The telemarketer has recorded the number of respondents in each age bracket for one evening in the following table. What is the probability that the next respondent will be between 26 and 45? Enter a fraction or round your answer to 4 decimal places, if necessary. Answer Number of Respondents by Age 26-35 36-45 38 59 Under 18 18-25 27 30 Over 45 54 Tables Keypad Keyboard Shortcuts

Men Women Boys Girls Survived 332 318 29 27 Died 1360 104 35 18 Use the  chart to answer the next set of questions: The chart represents the results after the Titanic ship sank. If one of the Titanic passengers is randomly selected, find the probability of getting a man or someone who survived the sinking?

520 students from UC Berkeley are surveyed about whether they are from Northern California, Southern California, Central California, or from another state or country. A researcher is interested in seeing if the proportion of students from each of the four regions are all the same for all UC Berkeley students. The table below shows the outcome of the survey. Fill in the expected frequencies. Frequencies of UCB Students' Home Towns Outcome Frequency Expected Frequency Northern California Southern California Central California Out of State 189 152 170 1000

On average, Upstate Chevrolet sells 20 cars each week, with a standard deviation of 2. How many cars sold represents 2 standard deviations above the mean? Answer     How many cars sold represent 1 standard deviation below the mean? Answer     Approximately 68% will fall between Answer   and Answer   .   Approximately 99.7% will fall between Answer   and Answer   .   What is the probability that the car lot will sell at least 18 cars? Answer   %   What is the probability that a car lot will sell at most 26 cars? Answer   %