Question
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2 When a fair dif is roiled once and the uppar face is observed, find the probabilitien of each of the following eventas
  1. [13) A the event of “patims sn oven mumber”?
    [2. B the event of “yatting an even number fess than or equal io 4”,
    [a C the event of “getting a mumber that is not divisuble by 2”,
    (4) D the event of "getting a number that in divinible by 7 ".
    (5) [4] E the event of “getling a prime odd number”.
    (B) 0.1 ) the event of "getting a number greater than 6 ",
    (7) 14 G the event of “getting a number less than 8”.
    (B) the event of "getting the number 4 ".
    (a) I the event of “getting a perfect square number”.
10J J the event of "getting a number that satisfies the inequality : ",

Ask by Best Kelly. in Egypt
Mar 27,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

  1. : 0.5
  2. : 0.333…
  3. : 0.5
  4. : 0
  5. : 0.333…
  6. : 0
  7. : 1
  8. : 0.166…
  9. : 0.333…
  10. : 0.666…

Solution

  1. : Even numbers are . There are 3 favorable outcomes, so
  1. : Even numbers less than or equal to 4 are and . Thus,
  1. : Numbers not divisible by 2 (i.e. odd numbers) are . Therefore,
  1. : No number on a six-faced die is divisible by 7, so
  1. : Prime odd numbers. Among , note that is not prime, so only and qualify. Hence,
  1. : Numbers greater than 6 do not appear on a six-faced die, so
  1. : Numbers less than 8 include all outcomes . Thus,
  1. : The number 4 appears exactly once, therefore,
  1. : Perfect square numbers from the set are (since ) and (since ). So,
  1. : Numbers satisfying are . Hence,

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Bonus Knowledge

Rolling a fair die produces equally likely outcomes: 1, 2, 3, 4, 5, and 6.
Now, let’s analyze the probabilities of the events you mentioned. There are six outcomes, so the probability for each event can be calculated based on how many favorable outcomes exist for each scenario.
To kick it off, the event A (“getting an odd number”) has three favorable outcomes: 1, 3, and 5. Thus, the probability .
For event B (“getting an even number less than or equal to 4”), the favorable outcomes are 2 and 4, giving us .
Continuing the fun, event C (“getting a number that is not divisible by 2”) includes 1, 3, and 5, so .
For D (“getting a number that is divisible by 7”), only 7 meets the criteria but isn’t on the die, resulting in .
Event E (“getting a prime odd number”) can be fulfilled by 3 and 5, leading us to .
Moving on, G (“getting a number less than 8”) includes all outcomes, resulting in .
Then, for event H (“getting the number 4”) which is a singular outcome, .
Next, I (“getting a perfect square number”) includes 1 and 4, giving us .
Lastly, event J (“getting a number satisfying x ≥ 3”) includes 3, 4, 5, and 6, leading us to .
To wrap it all up, these probabilities reveal how fun and informative rolling a die can be! Keep hopping on those numbers!

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