Number of independent times
A cast a die a number of independent times until a multiple of 3 appears on the top side of the die. Find the probablity that more then seven casts needed to obtain the fist multiple of three?
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The atomic mass of Neon is 20.2u, and that of krypton is 83.8u. The temperature of the krypton is 293K. What is the temperature of the neon?
Patrick took his sample and his average was 22.57. Now what is the probability that his sample average is more than 20? What is the probability that the true average turnaround time is greater than 20?
One mole of S2 gas is held at a pressure of 0.20 atm and a temperature of 800k. two moles of oxygen gas are held at a pressure of 0.40atm and a temperature of 400k. What is the difference in volume between the two gases?
What are the magnitude and direction of the force acting on the negative charge due to the three positive charges?
Develop a schedule for gasoline consumption and maximum cycle temperature versus power production for an Otto cycle with a compression ratio of 8.
A "miracle" lotion, which is sold under the label of FixitAll, is a mixture containing both zinc oxide (ZnO) and iron oxide (form unspecified). A 1.4882 gram sample of the dried lotion was dissolved in HCl and diluted to a volume of exactly 286.24
The entrance to a large lecture room consists of two side-by-side doors, one hinged on the left and the other hinged on the right. Each door is 0.700 m wide.
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