Math Problem Statement
A fair 6-sided die is rolled 360 times. What is a reasonable prediction for the number of times the event of landing on an odd number will occur?
60 180 240 320
Solution
A fair 6-sided die has three odd numbers: 1, 3, and 5. Since half of the faces are odd (3 out of 6), the probability of rolling an odd number is:
Now, if the die is rolled 360 times, the expected number of times an odd number will appear is:
Thus, a reasonable prediction for the number of times the die will land on an odd number is 180.
Answer: 180
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Here are 5 related questions to expand on this topic:
- What is the probability of rolling a 1 or 2 on a 6-sided die?
- If you roll the die 600 times, how many times would you expect to roll a number greater than 4?
- What is the expected value of a roll of a fair 6-sided die?
- If you roll two dice, what is the probability of getting two odd numbers?
- What is the standard deviation of the number of odd rolls in 360 rolls?
Tip: When dealing with probability, multiplying the probability by the number of trials gives you the expected count for that event.
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Math Problem Analysis
Mathematical Concepts
Probability
Expected Value
Formulas
P(odd number) = 3/6 = 1/2
Expected number of odd rolls = P(odd number) * total rolls
Theorems
Law of Large Numbers
Suitable Grade Level
Grades 6-8
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