my area is .49 ,in a normal distribution table what value is closest to it?.4901 or .4898?
Question
My area is .49, in a normal distribution table what value is closest to it?
- .4901
- .4898
Solution
1. Break Down the Problem
We need to determine which value, .4901 or .4898, is closer to the given area of .49 in a normal distribution table.
2. Relevant Concepts
In a standard normal distribution (Z-distribution), we can look up the cumulative probabilities in a Z-table to find the area to the left of a given Z-score.
3. Analysis and Detail
- The given area is .
- We will check both values:
- The area corresponding to 0.4901.
- The area corresponding to 0.4898.
4. Verify and Summarize
When comparing .4901 and .4898:
- Area corresponds to a higher Z-score, representing a larger cumulative probability.
- Area corresponds to a lower Z-score, representing a smaller cumulative probability.
Given that the area we are looking to compare is .49, we find:
Thus, .4901 is closer to .49 than .4898.
Final Answer
The value closest to .49 is 0.4901.
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