Question: Bitth weights in the United States are normally distributed with ox = 500 grams. A random sample of 15 babies was taken. The average birth

Bitth weights in the United States are normally distributed with ox = 500 grams. A random sample of 15 babies was taken. The average birth weight of these 15 babies was 3450 grams. Which of the following is the regarding the distribution of sample means? W Choose the correct answer below. 0 A. The distribution of sample means will be normal since birth weights of all babies are normally distributed. 0 B. The distribution of sample means will be approximately normal since the sample size is large enough according to the Central Limit Theorem. 0 C. The distribution of sample means will not be normal since the sample size is not large enough according to the Central Limit Theorem. r O D. There is not enough information to determine the distribution of the sample means

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