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Mathematics, 25.04.2020 01:05, Shaynnn6292
In Norway, the distribution of birth weights for infants whose gestational age is 40 weeks is approximately normal with mean μ = 3500 grams and standard deviation Ï = 2500 grams.
a) what is the probability that the birth weight of a newborn whose gestational age is 40 weeks is less than 2500 grams?
b) what is the probability that the mean birth weight of a random sample of five newborns all with gestational age 40 weeks less than 3000 grams?
d) What value cuts off the lower 5% of the sampling distribution the mean birth weights of samples of five newborns all with gestional age 40 weeks/ round your answer to two decimal places
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Answers: 2
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