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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?
About one-third of the students entering a certain university drop out during or at the end of their first year." Does this statement illustrate percentage, proportion or probability?
You work at a hospital that has always had about 100 emloyees staffed at night. You think that the number of employees staffed at night has recently decreased and would like to test this claim.
I work in Aerospace Engineering. Aerospace components are often subjected to cyclic loads and can fail in "fatigue". The designers design the parts against fatigue failures using the "fatigue life" of the materials, typically obtained by testing the ..
Provided that the selected student excels in sports, determine the probability that the student is a boy?
What is the probability that a randomly chosen U.S. adult invests in stocks, given that s/he invests in fixed income instruments? Round your answer to decimal places.
What is predicted value for National Health Expenditure as a % for 2010? What is the 95% confidence interval for your estimate? Does the trend continue? Does year impact expenditure?
the random variable x represents the number of cars per household in a town of 1000 households. find the probability of
The following table lists the annual amounts of glass cullet produced by Kimble Glass Works, Inc. Scrap. Determine the least squares trend equation. Estimate the amount of scrap for the year 2008.
suppose that the demand for a companys product in weeks 1 2 and 3 are each normally distributed and the mean demand
use the one-proportion z-interval procedure to find the required confidence interval. be sure to check the conditions
lester hollar is vice president for human resources for a large manufacturing company. in recent years he has noticed
q1. a company markets educational software products and is ready to place three new products on the market. past
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