Compute the fraction of cells
The life of solar cell is normally distributed with mean of 770 days and standard deviation of 25 days. Compute the fraction of cells expected to survive beyond 850 days.
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A normal six -sided die, also fair die, has the usual numbers printed upon each side, {1, 2, 3, 4, 5, 6}. Let the random variable Y be the product of values from each die after both dice are tossed. Write down the sample space of the random variab
Consider following sample observations on stabilized viscosity of asphalt specimens.
After New Year's many people join gym in order to get in shape. A specific gym that has kept track of visits notices that of those who join in January, 20% stop attending in February (never returns again). Let us say that this probability and cond
The output of a motor is normally distributed with mean of 3500 kW and a standard deviation of 30 kW. What would the lower specification limit be, such that only 0.45% of the generators would exceed the limit?
When normally distributed, production company produced components of tensile strength with a mean of 55 lb and a standard deviation of 5 lb. how many components fail to meet the minimum specification of 42 lb, assuming that a total of 80,000 compo
The human genome is composed of four DNA nucleotides: A,T,G and C. Some regions of human genome are extremely G-C rich. Other regions are relatively A-T rich. Suppose that you want to compare nucleotide sequences from two regions of genome.
A flycatcher is trying to catch passing bugs. The probability that it catches bug upon any given try is 20%. Determine the probability that it catches its first bug on its fourth try?
According to Nielsen's Television Audience report, in 2009 the average American home had 2.86 television sets (more than the average number of people per household, at 2.5 people).
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