Mathematics, 24.09.2019 03:10 mdlnlcs
The time t that a random walk occurs is proportional to the number of steps taken during the random walk simply because the rate of collisions between particles, on average, does not change in time. considering the trend you found in the previous question of how the average values of the displacement ⟨ δ x ⟩ and displacement squared ⟨ ( δ x ) 2 ⟩ are related to the number of steps taken, and the relationship between number of steps and time, the equation of motion for diffusion would necessarily state that where the symbol ∝ means "proportional to".
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Mathematics, 21.06.2019 20:00
If the discriminant if a quadratic equation is 4 which statement describes the roots?
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Mathematics, 22.06.2019 01:30
Acell phone company offers two plans to its subscribers. at the time new subscribers sign up, they are asked to provide some demographic information. the mean yearly income for a sample of 40 subscribers to plan a is $45,000 with a standard deviation of $9,200. for a sample of 25 subscribers to plan b, the mean income is $64,300 with a standard deviation of $7,100. at the 0.025 significance level, is it reasonable to conclude the mean income of those selecting plan b is larger? assume unequal population standard deviations. hint: for the calculations, assume the plan a as the first sample. what is the decision rule? (negative amount should be indicated by a minus sign. round your answer to 3 decimal places.) compute the value of the test statistic. (negative amount should be indicated by a minus sign. round your answer to 2 decimal places.) what is your decision regarding h0 ? reject h0 fail to reject h0 compute the p-value. less than 0.01 between 0.01 and 0.025 between 0.025 and 0.05 between 0.05 and 0.10 greater than 0.10
Answers: 3
The time t that a random walk occurs is proportional to the number of steps taken during the random...
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