A week before final examinations, a random sample of 813 students from a large college was asked if they were studying for final examinations. Based on this random sample, a 90% confidence interval for the proportion of all students at this college who will study for final examinations is 0.88 to 0.99. Which of the following is the correct interpretation of the confidence interval?

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

For the equations below which statement is true ?

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck