Mathematics, 16.10.2019 05:00 shayhiddinovxasan93
Birth weights of babies born to full-term pregnancies follow roughly a normal distribution. at meadowbrook hospital, the mean weight of babies born to full-term pregnancies is 7 lbs with a standard deviation of 14 oz (1 lb = 16 oz). dr. watts (who works at meadowbrook hospital) has one delivery (for a full-term pregnancy) coming up tonight. what is the probability that the baby will weigh more than 7.5 lbs?
Answers: 3
0.28
the weights of babies born to full-term pregnancies. As the problems states that this follows  roughly a Normal distribution, and that in Meadowbrook Hospital this distribution has a mean value (
) with an standard deviation 
. 
. Note that 
is the variance of the distribution and not the standard deviation, which is the square root of the variance. For our problem we have:
. 
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