Apple found out its computer lasts 10 years with the standard deviation of 2.3 year. Apple wants to make sure that it offers warranty but they do not want to repay more than 3% of its computer. How long should the warranty be?

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents