# ALGEBRA 2

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?

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 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 two patients, X is the number of doses each patient needs to take.

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2. and sometimes the silence just means that those who are available do not feel they can answer the question. It is no help for them just to log in and say, "Duh, I dunno."

So, in the meantime, study your materials, and search for similar problems online. The first place to look is in the related questions section below. Many times your question has already been answered here. Don't just sit there and mope because you have to do your own work.

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