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Statistics / Fundamentals of Statistics 4 / Chapter 5.3 / Problem 30AYU

Fundamentals of Statistics | 4th Edition | ISBN: 9780321838704 | Authors: Michael Sullivan,III

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QUESTION:

Weight Gain and Gender According to the National Vital Statistics Report, 20.1% of all pregnancies result in weight gain in excess of 40 pounds (for singleton births). In addition, 49.5% of all pregnancies result in the birth of a baby girl. Assuming gender and weight gain are independent, what is the probability a randomly selected pregnancy results in a girl and weight gain in excess of 40 pounds?

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QUESTION:

Weight Gain and Gender According to the National Vital Statistics Report, 20.1% of all pregnancies result in weight gain in excess of 40 pounds (for singleton births). In addition, 49.5% of all pregnancies result in the birth of a baby girl. Assuming gender and weight gain are independent, what is the probability a randomly selected pregnancy results in a girl and weight gain in excess of 40 pounds?

ANSWER:

Step 1 of 2

Given:

20.1% of all pregnancies result in weight gain in excess of 40 pounds (for singleton births)

49.5% of all pregnancies result in the birth of a baby girl

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