Practice Free Response Question

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Presentation transcript:

Practice Free Response Question Seed Depot advertises that 85% of its flower seeds will germinate. You plant 20 randomly selected flower seeds and see how many germinate (grow). The random variable x, is the number of flower seeds that germinate. a) Is the distribution binomial, geometric or poisson? Explain in the context of this situation. b) Find the probability that 12 seeds germinate. c) Find the probability that at least 12 seeds germinate. d) Describe the differences in the two probabilities in part b and c. * Don't forget to review! Topics are on the back of your agenda.