The Incubation Time for Rhode Island Red Chicks Is Normally

question 35

Multiple Choice

The incubation time for Rhode Island Red chicks is normally distributed with mean of 30 days and standard deviation of approximately 2 days. If 1000 eggs are being incubated, how many chicks do we expect will hatch in 26 to 36 days?

• A)976 chicks
• B)477 chicks
• C)21 chicks
• D)157 chicks
• E)136 chicks

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Definitions:

Sample Size

The number of observations or cases used in a study or experiment, which can impact the reliability and validity of statistical results.

Variable

Any characteristic, number, or quantity that can be measured or quantified, which can vary among subjects in a study.

Confidence Level

The proportion of times that an estimating procedure will produce intervals that contain the parameter of interest if the same population is sampled repeatedly.

Precision

The degree to which repeated measurements under unchanged conditions show the same results.