What is the probability exactly
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?
a) .490
b).132
c).230
d).168
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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.
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?
What is the heat transfer rate through conduction in Watts. The walls are 9 ft hight and the room has the dimension of 16 ft by 19 feet and the walls.
The following summary table presents the results from a repeated-measures ANOVA comparing three treatment conditions, each with a sample of n = 12 participants. Fill in the missing values in the table. (Hint: start with the df values)
If the surface of the tower is normally kept at 23 Celcius at night and has a emissivity of 0.64, what is the amount of heat loss due to radiation?
The rocket attains its launch speed in a negligibly short period of time, after which its engines shut down and the rocket coasts. By how much does the rocket clear the top of the wall?
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