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) THE WEIGHTS OF NEWBORN BABIES IN THE US VARY ACCORDING TO THE NORMAL DISTRIBUTION WITH MEAN 7.5 POUNDS AND STANDARD DEVIATION 1.

1.)   THE WEIGHTS OF NEWBORN BABIES IN THE US VARY ACCORDING TO THE NORMAL DISTRIBUTION WITH MEAN 7.5 POUNDS AND STANDARD DEVIATION 1.25 FIND THE PROBABILITY THAT A RANDOMLY CHOSEN NEWBORN HAS A WEIGHT OF LESS THAN 5.5 POUNDS AT BIRTH

2.)   FIND THE WEIGHT, X, SUCH THAT ONLY 10% OF NEWBORNS WEIGH MORE THAN X.

 

3.)   YOU RANDOMLY CHOOSE 4 NEWBORN, AND COMPUTER THEIR AVERAGE WEIGHT X. FIND THE MEAN AND THE STANDARD DEVIATION OF THE SAMPLING DISTRIBUTION OF X.

Top Answer

1. 0.0548 2. 9.1 3.  μ ​ x... View the full answer

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