Multiple Choice
The weights at birth of five randomly chosen baby Orca whales were 425, 454, 380, 405, and 426 pounds. Assume the distribution of weights is normally distributed. Find a 95% confidence interval for the mean weight of all baby Orca whales. 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) 384.0 ± 68.0 pounds
B) There is not enough information given to calculate the confidence interval.
C) 418.0 ± 34.0 pounds
D) 418.0 ± 34.5 pounds
Correct Answer:
Verified
Correct Answer:
Verified
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