Project #34022 - Stats HW5

I just need the answers, show work if possible.  Here is an email with more explanation from my professor. 

 

For problem #2. The idea is to get you use to using the binomial probabiliy formula to compute probabillities. You are asked to construct a probabiliy distribution. this means that you must CREATE a table that has the outocme (i.e the possible number of free throws made out ot three) with the probability of each outcome. Also, you are allowed to use techniques from chapter 5. For example, if a player shoots three free throws, then the possible number of free throws that could be made is 0,1,2, or 3. Thus, the random variable X has 4 values. To find P(0) you can use the binomail probability formula with n = 3, p = 0.89, and X = 0  or you can use the fact that x = 0 means that he misses all three and use the mulitplication rule.  Your final answer should be a table similar to the table in the PowerPoint Slides (Slide #27)

 

 For Problem #4. You have to decide whether to use a permutation or a combination.  Ask yourself "Does the order in which the numbers are selected matter?" if yes, a permutation should be used. If no, a combination should be used.  Also, keep in mind that in lieu of a permuation, you can just take the product of the number of choices that you have for each of the five digits.

 

For problem #6. You should be able to use the binomial probabiliy formula.

 

For problem #9, you are looking for arrangements. So you have to decide on the appropriate counting method.

Subject Mathematics
Due By (Pacific Time) 06/25/2014 07:00 pm
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