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13 January, 22:16

Researchers studied the mean egg length (in millimeters) for a bird population. After taking a random sample of eggs, they obtained a 95% confidence interval of (45,60). What is the value of the margin of error?

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  1. 13 January, 22:32
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    Answer: The margin of error is 7.5

    Explanation:

    Since we know that the interval is of the form MOEx±, we have that 45 = MOEx-and 60 = MOEx+. by solving this system of equations, we find that MOE = 7.5
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