View Answered Questions
| No. & Date Asked | Question |
# 501 :: 11/7/08
 |
In a survey of adults, 68% thought that DNA test for identifying an individual were very reliable. You randomly select 24 adults and ask each if he or. . .
BINOMDIST,
Binomial Probability,
Continuity Correction,
Normal Approximation,
Normal Approximation to Binomial |
# 467 :: 10/7/08
|
The Web-based company Oh Baby! Gifts has a goal of processing 95 percent of its orders on the same day they are received. If 485 out of the next 500 o. . .
1-Proportion Test,
Normal Approximation |
# 399 :: 9/20/08
|
When you calculate CIs for time on task, I notice that you use the critical value from the t-distribution (TINV(0.05, degrees_of_freedom)). But when y. . .
exact interval,
Binomial Probability,
TINV,
Adjusted Wald,
Wald Interval,
Normal Approximation,
Small Sample |
# 388 :: 9/17/08
|
In Dallas, some fire trucks were painted yellow (instead of red) to heighten their visibility. During a test period, the fleet of red fire trucks made. . .
2-proportion test,
Binomial Probability,
Normal Approximation |
# 368 :: 9/5/08
|
in a random sample of 200 person of a town 120 are found to the tea drinker.In a random sample of 500 person of another town 240 are found to be tea d. . .
Normal Approximation,
2-proportion test,
Binomial Probability |
# 350 :: 8/16/08
|
A robot, when working properly, produces 5% or less defective items. whenever the robot produces more than 5% defective items, i needs repair. A rando. . .
Continuity Correction,
Normal Approximation,
binomial,
1-Sample Proportion Test |
# 319 :: 8/6/08
|
A machine cuts circular filters from large rolls of material. If 7.3% of the filters fail to meet specifications, use the normal approximation to the . . .
binomial,
Binomial Probability,
Normal Approximation,
Continuity Correction |
# 269 :: 7/9/08
|
A classical experiment in extrasensory perception (ESP) consists of asking a subject to tell, without looking, the suit of each card in a deck of Zene. . .
Z-Score,
Binomial Probability,
Normal Approximation,
binomial,
BINOMDIST |
# 209 :: 5/29/08
|
In 1992, the FAA conducted 86,991 pre-employment drug tests on job applicants who were to be engaged in safety and security relatd jobs and found that. . .
Central Limit Theorem,
binomial,
Normal Approximation,
Confidence Intervals |
