Maurice Tutor

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    Argosy University/ Phoniex University/
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Category > Management Posted 29 Sep 2017 My Price 3.00

standardized mathematics test

15.   The scores on a standardized mathematics test for 8th-grade children in New York State form a normal distribution with a mean of µ = 70 and a standard deviation of u= 10.

a.   What proportion of the students in the state have scores less than X = 75?

b.   If samples of n = 4 are selected from the population, what proportion of the samples will have means less than M = 75?

c.    If samples of n = 25 are selected from the population, what proportion of the samples will have means less than M = 75?

 

 

 
 

Answers

Maurice Tutor
(5)
Status NEW Posted 29 Sep 2017 09:09 AM My Price 3.00

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