Computing Probability and Deciding Extreme Samples
a random sample of n=9 scores is selected from a normal
distribution with u= 80 and o=12. what is the probability that the sample mean
will be between 76 and 84?
* 0.9974
*0.3830
* 0.2586
* 0.6426
a random sample of n= 16 scores is selected from a normal
distribution with u= 500 and o= 200. for this sample which of the following is
true?
* p(450<M<550)=0.95
*p(425<M<575)=0.95
*p(402<M<598)= 0.95
*p(490<M<510)=0.95
A sample is selected from a normal population with u= 50 and
o= 12. which of the following samples would be considered extreme and
unrepresentative for this population?
*M=53 and n=4
*M=53 and n= 16
*M=56 and n=4
*M=56 and n=16
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