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1. Redundancy in Aircraft Radios-The FAA requires that commercial aircraft used for flying in instrument conditions must have two independent radios instead of one. Assume that for a typical flight, the probability of a radio failure is 0.0035.
What is the probability that a particular flight may be safe with at least one working radio? Why does the usual rounding rule of three significant digits not work here? Is this probability high enough to ensure flight safety?
2. Illinois lottery
a. In the Illinois Little lotto game, you win the jackpot by selecting five different whole numbers from 1-39 and getting the same five numbers (in any order) that are later drawn. What is the probability of winning a jackpot in this game?
b. In the Illinois Pick 3 game, you win a bet by selecting three digits (with repetition allowed) and getting the same three digits in the exact same order as they are later drawn. What is the probability of winning this game?
c. The Illinois pick 3 game returns $500 for a winning $1 ticket. What should be the return if Illinois were to run this game for profit?
How do you define training? How do you define professional development? What are the most common characteristics of an effective training and development program
Let V be a ?nite-dimensional inner product space over F, and let U be a subspace of V. Prove that the orthogonal complement U⊥ of Uwith respect to the inner product ?⋅,⋅? on V satis?es dim(U⊥)=dim(V)-dim(U).
1). A number of sets do not have a supremum or have infinite supremum. do the same two statements?
Three machines turn out all the products in a factory, with the first machine producing25%of the products, the second machine10%, and the third machine65%. The first machine produces defective products3%of the time, the second machine2%of the time an..
At a significance level of 0.01, can you conclude that the mean times are different? Assume each population of relief times is normally distributed and that the population variances are equal.
At alpha = 0.05, test to see if the coefficient of x1 is significantly different from zero. Determine the multiple coefficient of determination.
Discuss a decision made by an organization or person that you feel was made in error and impacted by distortion or bias
Write in total 200 words, due in one day how much - Greece is bankrupt and will never get out of debt. Do you agree? Why/why not?
What has quality meant in the organization where you have worked? How is it measured? Think of a time when quality was a problem in an organization where you worked. What quality management advice would you offer that organization
Do you believe that there was sufficient financial information to make a solid decision on what to do - Was there further financial information that you required that was not provided to you?
Sprinkler Systems. A manufacturer of sprinkler systems designed for fire protection claims that the average activating temperature is at least 135 degrees F.
What is the power of such a study if a two-sided test is to be used with α = .05? How many people would need to be studied to have 80% power under the assumptions in problem A?
find the sample size needed to estimate the percentage of adults who have consulted fortune tellers. use a 0.03 margin
a warehouse employs 21 workers on first shift and 18 workers on second shift. eight workers are chosen at random to be
Compute the sample variance and the sample standard deviation for these data (to 2 decimals).
Determine the probability that a sample proportion for n=30 is within 0.10 of the true population proportion of 0.40, which represents the proportion of cola drinkers who prefer a Coca-Cola drink.
1.a company is studying their processes and for one of them the acidity of the mixture is critical. they have obtained
The proportion of left handers is 0.10. What is the number of left handers in the sample and what notation is given to that number? What is the values of p and ^p?
What is the probability that more than 25% of the business travelers say that the reason for their most recent business trip was an internal company visit?
last weeks sales of imac computers at an apple store in oklahoma city ok are shown in the following tabledaysales
A parameter is a population characteristic. The numerical value of a parameter usually cannot be determined because we cannot measure all units in the population. We have to estimate the parameter using sample information.
a researcher selects a sample of 80 people and records the frequency of participants choosing a low moderate or high
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