The La Leche Society has released an educational video on the benefits of breast

Question

The La Leche Society has released an educational video on the benefits of breast feeding. Prior to the release of the videos, it was known that 75% of new moms breast-feed exclusively for the first six weeks of their child's life. The CEO wants to know if the videos are increasing this proportion. A random sample of 400 new moms was obtained and 320 breast-fed their new babies exclusively for the first six weeks. At the 5% significance level, what conclusion can be reached? Although many new moms will nurse their new babies in the beginning, the Pediatrics Association believes that 50% of moms are still nursing their babies by the time the babies are six months old. The La Leche Society believes that this proportion is less than 50% and thus believes more educational information should be given to new moms to encourage the mothers to nurse tor the first year of their child's life. A random sample of 425 new moms was obtained and 200 were still nursing their child at six months of age. At the 2.5% significance level, what conclusion can be reached'

Explanation / Answer

The La Leche Society has released an educational video on the benefits of breast

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