The Average Wingspan of a Crowned Eagle Is Supposed to Be

question 15

Multiple Choice

The average wingspan of a crowned eagle is supposed to be 40 in. A random sample of 31 crowned eagles raised in captivity gave the following results: = 39.5, s = 1.8. Do the data indicate that the wingspan of captive eagles is less than that of those that live in the wild? Use the significance level α = 0.05.

• A) P-value < α, thus the null hypothesis is rejected. There is convincing evidence that the wingspan of captive eagles is less than that of those that live in the wild.
• B) P-value > α, thus the null hypothesis is rejected. There is convincing evidence that the wingspan of captive eagles is less than that of those that live in the wild.
• C) P-value < α, thus the null hypothesis is not rejected. There is no sufficient evidence to conclude that the wingspan of captive eagles is less than that of those that live in the wild.
• D) P-value > α, thus the null hypothesis is not rejected. There is no sufficient evidence to conclude that the wingspan of captive eagles is less than that of those that live in the wild.

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