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Oct 16th, 2017

a) null: u=u0 (equal to 10%)

alternate u not equal to u0

b) level of significance 0.95 or 95%

c)critical value =1.96

d)Z= (u-u0)/(s/n^0.5)=(15-11)/3.192=1.252

e)accept null hypothesis 

f)actual calculated value is less than critical value i.e lies in acceptance region

h) data is sufficient 

g)




Apr 25th, 2015

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