The incubation time for Rhode Island Red chicks is normally distributed with a mean of 21 days

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The incubation time for Rhode Island Red chicks is normally distributed with a mean of 21 days and standard deviation of approximately 1 day. Look at Figure 7-3 and answer the following questions. If 1000 eggs are being incubated, how many chicks do we expect will hatch:
(a) In 19 to 23 days?
(b) In 20 to 22 days?
(c) In 21 days or fewer?
(d) In 18 to 24 days? (Assume all eggs eventually hatch.)
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Understanding Basic Statistics

ISBN: 9781111827021

6th Edition

Authors: Charles Henry Brase, Corrinne Pellillo Brase

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