Question Completion Status: QUESTION IT An orthodontist has three financing packages, and each has a different service charge. He estimates that about 35% of the patients use the first plan which has a service charge of $100; 17.5 % use use the second plan which has a service charge of $150, and remaining use the third plan which has a service charge of $300. The expected service charge for a random patient, in dollars, is: 408 O338 68 204 QUESTION 12 An insurance company estimates that it should make an annual profit of $230 on each homeowner's policy written, with a standard deviation of $7000. If the company writes only four of these policies, the standard deviation of the annual profit, in dollars, is O 3500 28000 14000 O4667 1 points 1 point