1. Which of the following is a common characteristic of a binomial distribution?

a) There are more than two possible outcomes.

b) The probability of success is the same in all trials.

c) There are infinitely many observations.

d) You should perform x trials until you observe a success.

e) Each trial is dependent on the previous trial.

2.A new drug on the market is known to cure 30% of patients with cervical cancer. If a group of 18 patients is selected randomly, what is the probability of observing, at MOST, one patient who will be cured of cervical cancer?

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