Probability density function
Let X Have the probability density function
f(x)=2x, 0 < x < 1, and 0 otherwise
Compute the probability that X is at least 3/4 given that X is at least 1/2
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At the 0.05 significance level, can he conclude that the number of absences has declined? Hint: For the calculations, assume the "Before" data as the first sample.
A 6.10×10^-2kg cube of ice at an initial temperature of -18.0 C is placed in 0.880kg of water at 41.0 C in an insulated container of negligible mass. Part A: Calculate the change in entropy of the system?
The distance travelled on 1 gallon of fuel is normally distributed with a mean of 50 miles and a standard deviation of 8 miles. Find the probability of the following events: A. The car travels more than 56 miles per gallon.
How much silver is plated from a solution of silver nitrate by a 2.00 A current that deposits 0.250 mol of copper from a solution of copper(II) nitrate?
How far does the ball drop due to effects of gravity by the time it reaches home plate? (Ignore any effects due to air resistance and assume you throw the ball horizontally.)
Let X denote the amount in pounds of polyurethane cushioning found in a car. The density for X is given by: f(x)=(1/in2)(1/x) 25? x? 50. Find the mean, variance, and standard deviation for x.
The potential difference between the anode and cathode is 350 V. An electron leaves the surface of the cathode with zero initial speed (v_initial = 0). Find its speed v_final when it strikes the anode.
Suppose we have three fair 6-sided die (one colored green, one colored black, and one colored red). An experiment consists of rolling all three die. Let G, B, and R denote the numbers rolled on the green, black and red die respectively.
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