The Three Confidence Intervals Below Were Constructed from the Same $31.3 < \mu < 40.7$

question 3

Multiple Choice

The three confidence intervals below were constructed from the same sample. One of them was computed at a confidence level of 90%, another at a confidence level of 95%, and another at a
Confidence level of 98%.
Which is the confidence level at 98%?

• A) \(31.3 < \mu < 40.7\)
• B) cannot be determined
• C) \(30.3 < \mu < 41.7\)
• D) \(29.3 < \mu < 42.7\)

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