Poisson approximation to express
In the instructor's answer book for a mathematics text, 8% of the answers are incorrect. Use the Poisson approximation to express the probability that there are exactly 2 incorrect answers for a homework set with 50 problems.
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An ocean liner leaves New York City and travels 16.0° north of east for 245 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the following directions
Show the cycle on a T-S (temp. vs specific entropy) diagram relative to the 2-phase region and indicate, with arrows, the directions of working fluid flow.
You calcuate the chi-square test statistic in a test of independence and determined that X²* = -4.23, with 10 degrees of freedom. Therefore, with alpha = 0.05, you know that:
Suppose that two balls of mass 2.5 x 10^-4 kg each carry equal charges and are suspended by identical threads of length 13 cm anchored 24cm apart. If each thread makes and angle of 20 degrees with the vertical, what is the charge on each ball?
The iron block eventually reaches thermal equilibrium with the lake water. Assuming an average specific heat of 0.45 kJ/(kg-K) for the iron, determine the entropy change of the iron block?
The activation energy for a reaction is changed from 241 kJ/molto 55.5 kJ/molat 641 K by the introduction ofa catalyst. If the uncatalyzed reaction takesabout 2890 years to occur, about how long will the catalyzed reaction take?
A major-league pitcher can throw a baseball in excess of 40.8 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches the catcher who is 17.4 m away from the point of release?
In a certain town, 70 % people support the construction of a new ballpark. If 5 people are randomly selected, what is the probability exactly 2 of them supported it?
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