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Prakriti R

Numerade Educator

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Educator Statistics

Numerade tutor for 4 years
143 Students Helped

Prakriti's Quick Ask Videos

03:29
Calculus 1 / AB

If a sequence c1, c2, c3, ... has a limit K, then the sequence ec1, ec2, ec3, ... has a limit eK. Use this fact together with l'Hopital's rule to compute the limit of the sequence given by bn = (1 + 3.2n)n.
05:56
Calculus 1 / AB

Solve the following using variations of parameters:
y'' - 5y' + 4y = 8e^t
03:35
Calculus 1 / AB

Use polar coordinates to find the volume below the plane 2x + y + z = 4 and above the disk x^2 + y^2 ≤ 1.
04:10
Intro Stats / AP Statistics

A North Carolina prisoner rehabilitation study shows that 37% of released North Carolina prisoners re-offend within three years. Suppose 7 released North Carolina prisoners are selected at random. Let X be the number of released North Carolina prisoners (among the 7 selected) who re-offend within three years.

Question 2
Find the mean and standard deviation of X. Can you show the work for the standard deviation?
03:35
Calculus 1 / AB

A conical tank is resting on its apex. The height of the tank is
8ft, and the radius of its top is 7 ft. The tank is full of
gasoline weighing 45 lb/ft3. How much work will it take
to pump the gasoline to the top? Give your answer to the nearest ft
*lb..
04:44
Calculus 1 / AB

If a, b, c are the sides of a triangle and A, B, C are the opposite angles, find ∂A/∂a, ∂A/∂b, ∂A/∂c by implicit differentiation of the Law of Cosines.
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