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Based on a recent​ study, the pH level of the arterial cord​ (one vessel in the...

Based on a recent​ study, the pH level of the arterial cord​ (one vessel in the umbilical​ cord) is normally distributed with mean 7.36 and standard deviation of 0.14. Find the percentage of preterm infants who have the following arterial cord pH levels.

a. pH levels between 7.00 and 7.50.

b. pH levels over 7.44.

a. The percentage of arterial cord pH levels that are between 7.00 and 7.50 is what %? ​(Round to two decimal places as​ needed.)

b. The percentage of arterial cord pH levels that are over 7.44 is what ​%?  ​(Round to two decimal places as​ needed.)

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TOPIC:Normal distribution.

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