noname1234
New member
- Joined
- Apr 1, 2006
- Messages
- 12
1. You have ingridients to make different types of iced tea: unsweetened, sweetened with sugar, artifical sweetener, flavored with lemon, mint or raspberry, caffeinated or decaffeinated. How many different kinds of tea can you make?
My answer: 18
2. The chess club has 12 members. If a team of 4 is to be selected, in how many different ways can the team be made?
My answer: 495
3. In the innner city of a metropolitan area, 500 robbers and 1500 assaults were reported. Of the robberies, 374 were committed by a stranger, and 126 by a person known to the victim. Of the assults, 827 were perpetrated by a stranger, and 673 by someone known to the victim. If one of the crim victims is selected at random, what is the probablity of the choice being a robbery victim, give that the criminal was an acquaintance of the victim?
My answer: ???
4. A new anti-depression drug causes side effects in 3.5% of the patient usin it. If tihs drug is prescribed for 700 patients, what are the mean of the number of patients that will experience side effects?
My answer: 24.5
My answer: 18
2. The chess club has 12 members. If a team of 4 is to be selected, in how many different ways can the team be made?
My answer: 495
3. In the innner city of a metropolitan area, 500 robbers and 1500 assaults were reported. Of the robberies, 374 were committed by a stranger, and 126 by a person known to the victim. Of the assults, 827 were perpetrated by a stranger, and 673 by someone known to the victim. If one of the crim victims is selected at random, what is the probablity of the choice being a robbery victim, give that the criminal was an acquaintance of the victim?
My answer: ???
4. A new anti-depression drug causes side effects in 3.5% of the patient usin it. If tihs drug is prescribed for 700 patients, what are the mean of the number of patients that will experience side effects?
My answer: 24.5