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According to a statistical journal, the average lengths of a newborn baby is 19.4 inches with a standard deviation of 0.8 inches. The distribution of

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According to a statistical journal, the average lengths of a newborn baby is 19.4 inches with a standard deviation of 0.8 inches. The distribution of lengths is approximately Normal. Use technology or a table to parts (a) through (c) below. For each include an appropriately labeled and shaded Normal curve. a. What is the probability that a newborn baby will have a length of 18 inches or less? Select the correct graph below. s Q m 5 _ 0 a" 1B ' Z 17 19.4 21.8 g Q E Q .. w = , = , 0 I) o . lZ' '3 l3 1B 18 Z Z 17 19.4 21.8 17 19.4 21.8 The probability that a newborn baby will have a length of 18 inches or less is El%. (Round to one decimal place as needed.) b. What percentage of newborn babies will be longer than 20 inches? Select the correct graph below. O A. O B. 20 20 Density Density N 17 19.4 21.8 17 19.4 21.8 O C. O D. 20 20 Density Density Z Z 17 19.4 21.8 17 '19.4 21 .8 The percentage of newborn babies longer than 20 inches is %. Round to one decimal place as needed.)

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