For a certain type of hay fever, Medicine H has a 30% probability of working. In
ID: 3185226 • Letter: F
Question
For a certain type of hay fever, Medicine H has a 30% probability of working.
In which distributions does the variable X have a binomial distribution?
Select each correct answer.
When the medicine is tried with two patients, X is the number of patients for whom the medicine worked.
When the medicine is tried with six patients, X is the number of patients for whom the medicine worked.
When the medicine is tried with six patients, X is the number of patients for whom the medicine does not work.
When the medicine is tried with two patients, X is the number of doses each patient needs to take.
Explanation / Answer
There will be two options which fall under the category. They are:
When the medicine is tried with six patients, X is the number of patients for whom the medicine does not work.
When the medicine is tried with six patients, X is the number of patients for whom the medicine worked.
Second and third option is the answer.