The mean undergraduate costs for tuiton, room and board at four-year colleges is $26,489, and the standard deviation is $3204. The undergraduate costs for tuition, room, and board approximately...


The mean undergraduate costs for tuiton, room and board at four-year colleges is $26,489, and the standard deviation is $3204. The undergraduate costs for tuition, room, and board approximately normally distributed. 36 four-year colleges are selected.


1. The probability that the sample mean cost 36 schools is less than $25000 is ?



Jun 03, 2022
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