In a survey of twelve harbor business school graduates, the mean starting salary was $93,000, with a standard deviation of $17,000. what is the 95% confidence interval for the average starting salary among all harvard graduates

How do you find the circumfrance of a circle?

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?