Selecting a defective battery
There are 10 AAA batteries in a box and three are defective two batteries are selected without replacement what is the probability of selecting a defective battery followed by another defective battery?
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In a management trainee program for multinational corporation, trainees are expected to learn foreign language. Besides classes at the language training institute, tutors are available.
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Let x be a poisson random variable with mean lambda. If P(X=1|X<=1)=0.8, what is the value of lambda?
The aptitude test scores of applicants to the university graduate program are normally distributed with mean 500 and standard deviation 60. If university desires to set the cut-off score for graduate admission so that only the top 10 percent of ap
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Suppose the flight time between Atlanta and Salt Lake City is uniformly distributed upon the interval from 220 to 250 minutes. The expected flight time (in minutes) is:
The time it takes to completely clean office building follows exponential distribution with mean of 135 minutes. Determine the probability of cleaning an office building in 135 minutes or less?
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