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Question: 1. Eight similar units are put into operation at a given time. The time to failure (in hours) of each unit is exponential (1/750). If the units fail independently, what is the probability that five or more units will be operating at the end of 500 hours?
2. The location of ten points along a line may be considered iid random variables with symmytric triangular distribution on [1; 3]. What is the probability that three or more will lie within distance 1/2 of the point t = 2?
Explain these results to a person who has never had a course in statistics - An experiment is conducted in which 60 participants each fill out a personality test,
imagine that exam 1 for statistics 2160 this term will have 62 questions. each question has 5 multiple choice options
If each task is analyzed separately as the researchers did in their report, what is the appropriate statistical method to use? Explain your answer.
An employer interviews 9 people for 6 computer programming positions in a company, and 4 of the 9 people are men. If all 9 are qualified, in how many ways can the employer fill the computer programming positions if exactly 3 are men?
You are dealt a hand of three cards, one at a time. Find the probability of each of the following.- The first heart you get is the third card dealt.
Create an operations plan for your NAB company using the template in the text as a guide (p. 214 |Operations Plan Preparation Form ). Extract appropriate information from the NAB Company portfolio, where applicable. Other required items in the tem..
assume that for the following data massed practice distributed practice s1 6 s1 5 s2 4 s2 3 s3 3 s3 2 s4 5 s4 2 s5 2 s5
Forty percent of the readings are within 0.5 V of the true value. Estimate the standard deviation for the meter. What is the probability of an error of 0.75 V?
a die is continuously rolled until the total sum of all rolls exceeds 250. what is the probability that at least 70
How might you find information about measures that have been developed by ofllerresearchers?- What are diary mefllodologies, and why are flley used?
Experience indicates that 30% of the people entering a store make a purchase. Using (a) the binomial distribution and (b) the normal approximation to the binomial, ?nd the probability that out of 30 people entering the store, 10 or more will make ..
find the normal approximation for the binomial probability that x 5 where n 12 and p 0.3. compare this probability
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