Birthweights in Norway. The data from the National Institute of Environmental Health Sciences reportsthat over a six-year period, birthweights (in grams) of newborns in Norway were distributed normally(see Figure 6.40), with a mean of 3668 grams and standard deviation of 511 grams.Birthweight parameters3000Residal25.000Cbserved20000Pesidual 2Predominantmean 3668SD SIL15000-I0.0005,000is0 s0 s0 1s0 21s0 2650 3150 3450 4150 4650 SIS0 sesoWeight (gm)Optimum Trucaton Pant 2000 gmFigure 6.40Crauder, et al, Quantitative Literacy, 3e, © 2019 W.H. Freemanand CompanyFIGURE 6.40 Birthweights in Norway.a. What is the z-score for a newborn weighing 4000 grams? Round your answer to one decimal place.b. What is the z-score for a newborn weighing 3000 grams? Round your answer to one decimal place.c. Newborns weighing less than 2500 grams are classified as having a low birthweight. Whatpercentage of newborns suffered from low birthweight? Round your answer as a percentage to thenearest whole number.d. Would you expect the distribution to remain normal if birthweights were reported in pounds?kouanbaag

Name: Birthweights in Norway. The data from the National Institute of Envir
Uploaded: 2024-03-20T06:38:44.000Z
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Description: Birthweights in Norway. The data from the National Institute of Environmental Health Sciences reportsthat over a six-year period, birthweights (in grams) of newborns in Norway were distributed normally(see Figure 6.40), with a mean of 3668 grams and