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petetmk
Questions (12)
Marie distributes toys for toddlers. She makes visits to households and gives away one toy only on visits for which the door is
1 answer
152 views
How long would an unmanned lighthouse containing 10kg of 90Sr produce at least 1kW of thermal power, which would keep a good
1 answer
75 views
Consider a Poisson process with rate lambda=1. Consider three times that satisfy 0<t1<t2<t3. Let M be the number of arrivals
1 answer
135 views
When you enter your bank, you find that there are only two tellers, both busy serving other customers, and that there are no
1 answer
139 views
Calculate, to the nearest 10 μSv, the daily dose a smoker would receive by smoking one pack of cigarettes a day (20
1 answer
77 views
What is the decay constant of 14C in units of 1/S?
1 answer
54 views
What is the decay constant of 11Be in units of 1/S?
1 answer
64 views
How many electron’s worth of mass-energy are released in these combined processes Pt-190 reaches to its stable isotope, to the
1 answer
85 views
total radioactive decay particles are emitted, starting with , Pt. 190 until it reaches a stable isotope?
1 answer
66 views
The random variables X; are i.i.d. with mean 2 and standard deviation equal to 3. Assume that the Xi are nonnegative. Let Use
1 answer
101 views
The lifetime of a type-A bulb is exponentially distributed with parameter λ. The lifetime of a type-B bulb is exponentially
1 answer
112 views
Consider the "experimental design" problem of choosing when to make measurements. Under the assumptions of 1/ (1+t1^2+t2^2), and
1 answer
95 views
