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No. & Date Asked  Question 

# 511 :: 11/13/08

A machine produces 3 inch nails. A sample of 100 nails is selected, and it is found that 25 are shorter than 3 inches. Find the 95% confidence interv. . .
Proportion,
Confidence Intervals,
OneTailed Area 
# 218 :: 6/5/08

what are the key terms in a verbal hypothesis that signify whether you are conducting a onetailed or twotest? Give an example and explain your answe. . .
Hypothesis Test,
OneTailed Area 
# 176 :: 4/30/08

In a 0netail test (l side) with z score of 1.645, what are the percentages for critical value and noncritical value?. . .
OneTailed Area,
ZScore,
Critical Value 
# 164 :: 4/23/08

how to calculate one sided 95% confidence limits for a proportion.could you provide a formula . . .
Adjusted Wald,
Confidence Intervals,
OneTailed Area 
# 24 :: 10/29/07

Using the standard normal table, the total probability to the right of z=2.18 and to the left of z=1.75 is?. . .
Normal Table,
OneTailed Area,
OneSided Area 