In a survey sample of 83 respondents, about 30.1 percentof the sample work less than 40 hours per week. calculate a 68 percent confidence interval for the proportion of persons who work less than 40 hours per week.

What is the best reason for jacinta to have a savings account in addition to a checking account

Who long does it take to drive 150 miles at 45 miles per hour

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?