Confidence interval
If we wish to have a 98% confidence interval, what would be the value of ?/2? Show how you arrived at this answer.
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A nonconducting sphere of radius 7.00 cm carries a uniform volume charge density ? = 430 nC/m^3 What is the total charge of the sphere? Find the electric field at the following radii.
Suppose an urn has n chips numbered 1,2,3,......,n . A person draws a chip, returns it, draws another, returns it and so on until he gets a chip which has been drawn before and then stops. Let X be the number of drawings required to accomplish thi
Predict the initial rate if [NO]= 0.30 M and [H2]=0.15 M What would happen to the initial rate of the reacton if[NO]=0.60 M and [H2]=0.15 M instead. Does your result make sense interms of order of reacton?
Determine the angular speed of the object (in rpm): Determine the linear speed v of the object: Determine the tension T in the string.
An object is placed 10.0 cm in front of a mirror. What type must the mirror be to form an image of the obect that is 2.00 m away from the mirror? What is the magnification of the image?
Suppose that with probability p, the random variable X has the distribution N(0,1) and with probability (1-p), X has the normal distribution N(1,1). Find the mean and the variance of X.
Could you help me answer the following: Determine the critical value of t in each of the following circumstances:
Nickel (II) chloride dissolves in water to form a lightgreen solution. What species (ions) are present in solution i.e.,what is "swimming around" in the aqueous solution? writh the formulas.
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