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Mira la respuestaMira la respuesta done loading Muestra el texto de la transcripción de la imagenPregunta: 2. In the raising of Chickens-Long-Beak states that the average weight of five-month-old chickens is 4.5 pounds. The weights have a normal distribution. In order to increase the weight of the chickens, a
2. In the raising of Chickens-Long-Beak states that the average weight of five-month-old chickens is 4.5 pounds. The weights have a normal distribution. In order to increase the weight of the chickens, a nutrient was used in the
chicken feeding. After five months, a sample of 16 chickens was taken and the average weight of thechickens was 4.6 pounds with a sample standard deviation S=0.45. For a significance level a = 0.10
Has the special nutrient increased the weight of the chickens?a. Test the hypothesis by critical value method.
b. Estimate a 99% confidence interval for the true value of the mean weight of the chickens.
- Hay 3 pasos para resolver este problema.Solución100% (1 calificación)Paso 1Mira la respuesta completaPaso 2
It is given that,
The sample size is 16.
The sample mean is 4.6.
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