Mathematics, 06.12.2019 20:31 litman876
Big chickens: according to a poultry industry news website, the weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1358 grams and standard deviation 161 grams.
is it unusual for a boiler to weigh more than 1550 grams?
Answers: 2
1358 grams and standard deviation
161 grams.![P(x1550)=1-P(x\leq1550)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{1550-1358}{161})\\\\\approx 1-P(z\leq1.19)\ \ [\because\ z=\dfrac{x-\mu}{\sigma}]\\\\=\\\\=1-0.8830\ \ [\text{By using z-table}]\\\\=0.117](/tpl/images/0406/8006/bbfbb.png)
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