Binomial Distribution

Determine whether the given procedure results in a binomial distribution (or distribution that can be treated as binomial). For those that are not binomial at least one requirement that is not satisfied.

1. The YSORT method of gender selection, developed by the Genetics & IVF Institute, is designed to increase the likelihood that a baby will be a boy. When 291 couples use the YSORT method and give to 291 babies, the genders of the babies recorded. 

2. In an Idaho Potato Commission survey of 1000 adults, subject are asked to select their favorite vegetables, and responses of potatoes, corn, broccoli, tomatoes or "other" were recorded. 

3. Ten different senators are randomly selected without replacement, and the numbers terms that they have served are recorded.