5. Let X be a binomial random variable where the probability associated
with the value k is P(X = k)=120C-(0.83)*(0.17) 120-* for k=0,1,2,...,120.
What is the mean and standard deviation of X?
(A)
(B)
(C)
Hy = 99.6 and ox =4.11
Hx=20.4 and ox = 16.93
Hy = 99.6 and ox = 16.93
Hx = 120 and ox=16.93
px=20.4 and 6x = 4.11
(D)
(E)

To solve this integral, what you can do is split it up as follows: (1) ∫40(x2−4)dx=∫40(x2)dx−∫40(4)dx. to integrate  4  as an  indefinite integral, a good rule of thumb is  by  an equation below  for  polynomials; . (2) ∫xa=xa+1a+1+c , where a is any number. c denotes some constant that is crucial when doing 

You need to figure out at which x-value does the graph has a tangent line slope of -1.remember, the derivative is the slope of the tangent line. so find the derivative function and set it to equal -1 to find the x-value that will have a tangent line slope of 0.differentiate with the chain rule.    set the derivative to equal -1 and solve for x.      take log base 10 of both sides. also recall that  .    so the x-coord of the point of tangency is .the y-coordinate of this point of tangency can be calculated using the original function:     using point-slope form, the equation of the tangent line is      the x-intercept of this tangent line is when the graph is at y=0.    this rounds off to  .choice c.