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Gelneren [198K]
3 years ago
12

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard

deviation 161 grams. What is the probability that a randomly selected broiler weighs more than 1,454 grams?
Mathematics
1 answer:
yuradex [85]3 years ago
8 0

Answer:

Probability that a randomly selected broiler weighs more than 1454 g is 0.3372 or 34% (approx.)

Step-by-step explanation:

Given:

Weights of Broilers are normally distributed.

Mean = 1387 g

Standard Deviation = 161 g

To find: Probability that a randomly selected broiler weighs more than 1454 g.

we have ,

Mean,\,\mu=1387

Standard\,deviation,\,\sigma=161

X = 1454

We use z-score to find this probability.

we know that

z=\frac{X-\mu}{\sigma}

z=\frac{1454-1387}{161}=0.416=0.42

P( z = 0.42 ) = 0.6628   (from z-score table)

Thus, P( X ≥ 1454 ) = P( z ≥ 0.42 ) = 1 - 0.6628 =  0.3372

Therefore, Probability that a randomly selected broiler weighs more than 1454 g is 0.3372 or 34% (approx.)

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