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DS71 QUIZ 10 - Question 1 Find the probability of the event...

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Question 1 5 out of 5 points Find the probability of the event. The probability that a radish seed will germinate is .7. The gardener plants 20 seeds and she harvests 16 radishes. Selected Answer:
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Question 2 5 out of 5 points Find the expected value of the random variable in the experiment. Five rats are inoculated against a disease. The number contracting the disease is noted and the experiment is repeated 20 times. Find the probability distribution and give the expected number of rats contracting the disease. Selected Answer: Question 3 5 out of 5 points Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability. Four coins are tossed and the number of heads is counted. Selected Answer: Question 4 5 out of 5 points Find the expected value for the random variable. A business bureau gets complaints as shown in the following table. Find the expected number of complaints per day.
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