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5 Questions returned
No. & Date AskedQuestion
# 511 :: 11/13/08
Question 511 has been Answered
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, One-Tailed Area

# 218 :: 6/5/08
Question 218 has been Answered
what are the key terms in a verbal hypothesis that signify whether you are conducting a one-tailed or two-test? Give an example and explain your answe. . .

Hypothesis Test, One-Tailed Area

# 176 :: 4/30/08
Question 176 has been Answered
In a 0ne-tail test (l side) with z score of 1.645, what are the percentages for critical value and non-critical value?. . .

One-Tailed Area, Z-Score, Critical Value

# 164 :: 4/23/08
Question 164 has been Answered
how to calculate one sided 95% confidence limits for a proportion.could you provide a formula . . .

Adjusted Wald, Confidence Intervals, One-Tailed Area

# 24 :: 10/29/07
Question 24 has been Answered
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, One-Tailed Area, One-Sided Area