Question

The following data represent the birth weights (in grams) of babies born in 2007, along with the period of gestation.
(a) What is the probability that a randomly selected baby born in 2007 was postterm?
(b) What is the probability that a randomly selected baby born in 2007 weighed 3000 to 3999 grams?
(c) What is the probability that a randomly selected baby born in 2007 weighed 3000 to 3999 grams and was postterm?
(d) What is the probability that a randomly selected baby born in 2007 weighed 3000 to 3999 grams or was postterm?
(e) What is the probability that a randomly selected baby born in 2007 weighed less than 1000 grams and was postterm? Is this event impossible?
(f ) What is the probability that a randomly selected baby born in 2007 weighed 3000 to 3999 grams, given the baby was postterm?
(g) Are the events “postterm baby” and “weighs 3000 to 3999 grams” independent? Why?


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  • CreatedApril 27, 2015
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