Question: use the following table to answer the questions a find...
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Use the following table to answer the questions.

a) Find the probability that X is at most 50.

b) Find the probability that X is more than 10.

c) Find the probability that X is between (inclusive) 90 and 0.

d) Construct the corresponding pdf.

e) Calculate the variance of X.

x. 100. 80. 40. 0. 10
P(X_<x) 0.35. 0.43. 0.64. 0.87. 1