Jenny did a survey in her statistics class and found that 15 out of 24 study in the Learning Center at least three times a week. Answer the following questions. Express answers as a decimal. (a) What is the probability that a student choose at random from the class uses the Learning Center at least three times a week? (b) What is the probability that a student chosen at random from the class uses that Learning Center less often than three time a week? (c) If three students are chosen at random from the class, what is the probability that all three of them use the Learning Center at least three times a week?

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A: Given as, x¨= y˙ -1 . , y¨=-x-2      u=x˙ and v=y˙       u˙=x¨  v˙=y¨

Q: How do I solve this ?

A: Inverse property

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Q: you

A:

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A: λ=1.5 , X~Poisson(λ=1.5)