IM2.9.3 Exit Ticket

If A=no cheese and B=sourdough, find the following probabilities. 9. P(B) 10. 11. 12. 13. If they serve 100 sandwiches at lunch one day, how many should they prepare with sourdough and no cheese? 14. 15.

16. If 3 out of 5 students eat school lunch then how many students would be expected to eat school lunch at a school with 750 students? 17. In a well developed and carried out survey it was found that 4 out of 10 students have a pair of sunglasses. How many students would you expect to have a pair of sunglasses out of a group of 45 students? 18. Data collected at a local mall indicted that 7 out of 20 men observed were wearing a hat. How many would you expect to have been wearing hats if 7500 men were to be at the mall on a similar day?