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anonymous

  • one year ago

Which of the following situations can be modeled by a continuous random variable? Choose ALL that apply. The number of baskets made during a game. The temperature in your city on August 1. The height of a randomly-selected student. The number of sunny days in May.

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  1. unknownunknown
    • one year ago
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    So for a continuous function, we want is to that if you pick any two numbers (a) and (b), there is always a number inbetween them, no matter what you pick. Let's go through each of them. "The number of baskets made during a game." So the baskets might go from.. 2,3,4,5,6.. like that (from the natural numbers). Is there a quantity of baskets here between 2 and 3 for example?

  2. anonymous
    • one year ago
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    no?

  3. anonymous
    • one year ago
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    @unknownunknown

  4. unknownunknown
    • one year ago
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    Correct. So it can't be A. How about for B? If you pick any two temperatures, is it possible for another temperature to exist between them? Say between 32.3 degrees, and 32.4 degrees?

  5. anonymous
    • one year ago
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    I think so

  6. unknownunknown
    • one year ago
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    Great! (for example: 32.35 degrees would be between them). So B is an answer. What about C do you think?

  7. anonymous
    • one year ago
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    Yes there could be number inbetween for c.

  8. unknownunknown
    • one year ago
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    Let's say.. one student is 5'3. And the next tallest student is 5'7. Is there any student inbetween those two two heights?

  9. anonymous
    • one year ago
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    no

  10. unknownunknown
    • one year ago
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    That's right. Just to clarify for B: Even if we only measure 32.3 degrees, and 32.4 degrees. In order for the temperature to change from 32.3 to 32.4, it had to move through an infinite amount of very small numbers right? With the height, that isn't the case. If any function moves from one point to another via an infinite number of points, it is continuous.

  11. anonymous
    • one year ago
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    So B is the only answer?

  12. unknownunknown
    • one year ago
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    Exactly, well done.

  13. rvc
    • one year ago
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    Well c.r.v = uncountable things (we cant easily find the exact no) example :Height of buildings in the city d.r.v. = countable things. Example: No of students in a class

  14. rvc
    • one year ago
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    @Upinlamecity look that for more knowledge :)

  15. anonymous
    • one year ago
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    @rvc is the answer B. Because that's what I got before but I want to make sure?

  16. anonymous
    • one year ago
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    @rvc

  17. rvc
    • one year ago
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    i think B and C

  18. anonymous
    • one year ago
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    okay thank you!!!

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