c. Typically, birth weight is between 2.5 kg and 4.0 kg. Find the probability a baby is born with typical birth weight. The probability that a baby is bom with typical birth weight is (Round to three decimal places as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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In a certain country, the mean birth weight for boys is 3.28 kg, with a standard deviation of 0.57 kg. Assuming that the distribution of birth weight is approximately
normal, complete parts a through e below.
a. A baby is considered of low birth weight if it weighs less than 2.5 kg. What proportion of baby boys in this country are born with low birth weight?
The proportion of baby boys that are born with a low birth weight is 0.084.
(Round to three decimal places as needed.)
b. What is the z-score for a baby boy that woighs 1.5 kg (defined as extremely low birth weight)?
The z-score is-3.12.
(Round to two decimal places as needed.)
c. Typicaly, birth weight is between 2.5 kg and 4.0 kg. Find the probability a baby is born with typical birth weight.
The probability that a baby is bom with typical birth woight is
(Round to three decimal places as needed.)
Transcribed Image Text:In a certain country, the mean birth weight for boys is 3.28 kg, with a standard deviation of 0.57 kg. Assuming that the distribution of birth weight is approximately normal, complete parts a through e below. a. A baby is considered of low birth weight if it weighs less than 2.5 kg. What proportion of baby boys in this country are born with low birth weight? The proportion of baby boys that are born with a low birth weight is 0.084. (Round to three decimal places as needed.) b. What is the z-score for a baby boy that woighs 1.5 kg (defined as extremely low birth weight)? The z-score is-3.12. (Round to two decimal places as needed.) c. Typicaly, birth weight is between 2.5 kg and 4.0 kg. Find the probability a baby is born with typical birth weight. The probability that a baby is bom with typical birth woight is (Round to three decimal places as needed.)
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