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No. & Date AskedQuestion
# 812 :: 10/2/09
Question 812 has been Answered
A Tamiami shearing machine is producing 10 percent defective pieces, which is abnormally high. The quality control engineer has been checking the outp. . .

BINOMDIST, Binomial Probability

# 701 :: 4/26/09
Question 701 has been Answered
A local bakery determines that the probability of a customer ordering a blueberry muffin is 50%. 5 customers come into the bakery. A. What is the pr. . .

BINOMDIST, Binomial pmf, Binomial Probability

# 661 :: 3/19/09
Question 661 has been Answered
A student is taking a 10 question multiple choice quiz. There are four possible answers to each question. The student decides to guess at random on al. . .

BINOMDIST

# 560 :: 12/17/08
Question 560 has been Answered
Throughout history 55% of registered voters actually have cast a ballot. What is the probability that among a group of 28 students who are registered. . .

BINOMDIST, Binomial cdf, Compliment Rule

# 501 :: 11/7/08
Question 501 has been Answered
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

# 460 :: 10/5/08
Question 460 has been Answered
20% kids danced. If 10 were selected at random, find probability that exactly four danced.. . .

BINOMDIST, Binomial pmf

# 418 :: 9/27/08
Question 418 has been Answered
Dear Stats Person, Here is my question. If a person were to guess a number from 1-10, the chance of guessing a 4 would be 0.1. If 5 people were a. . .

BINOMDIST, Binomial Probability, Binomial pmf

# 405 :: 9/22/08
Question 405 has been Answered
Marge and Joe have five daughters. They decide to have another baby because they are sure the next one will be a boy (after all, what are the odds of . . .

BINOMDIST, Multiplication Rule, Gambler's Fallacy, Probability Mass Function

# 353 :: 8/19/08
Question 353 has been Answered
A surgical technique is performed on eight patients. You are told that there is an 80% chance of success. a) Construct a binomial distribution. . . .

BINOMDIST, Binomial Probability

# 325 :: 8/7/08
Question 325 has been Answered
A doctor knows from experience that 20% of the patients to whom he gives a high blood pressure drug will have undesirable side effects. Assume the doc. . .

BINOMDIST, Excel, Binomial Probability

# 287 :: 7/23/08
Question 287 has been Answered
in a study of 11000 car crashes it was found that 5720 of them occurred within 5 miles of home. use a 0.01 significance level to test tha claim that m. . .

Binomial Probability, binomial, BINOMDIST

# 269 :: 7/9/08
Question 269 has been Answered
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

# 97 :: 3/1/08
Question 97 has been Answered
A medical school claims that more than 28% of its students plan to go into general practice. It is found that among a random sample of 130 of the scho. . .

Normal Approximation to Binomial , BINOMDIST, Continuity Correction, 1-Sample Proportion Test, 1-Proportion Test