Multiple Choice
The weights at birth of five randomly chosen baby giraffes were 111, 115, 120, 103, and 106 pounds. Assume the distribution of weights is normally distributed. Find a 95% confidence interval for the mean weight of all baby giraffes. Use technology for your calculations. Give the confidence interval in the form "estimate ± margin of error." Round to the nearest tenth of a pound.
A) 110.0 ± 8.5 pounds
B) 111.0 ± 8.5 pounds
C) 111.5 ± 9.0 pounds
D) There is not enough information given to calculate the confidence interval.
Correct Answer:
Verified
Correct Answer:
Verified
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