Individual A has a red die and B has a green die (both fair). If they each roll until they obtain five "doubles" (1-1,...,6-6), what is the pmf of X (= the total number of times a die is rolled)? What are E(X) and V(X)?

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A group builds racing drones. An examination of the data shows that it costs C(x) = 0.0014x? + 0.474x + 185 thousands of dollars to produce x drones in a week. a) C(400) represents the [Select ] To the nearest hundred dollars, C(400) [ Select ] b) 400 C(400) [ Select ] V. To the nearest represents the hundred dollars, C(400) [ Select ] 400 c) The [Select ] is C" (400) = [ Select ] to the nearest dollar. [ Select ] $600 $598,600 $1497 $1594 DROPDOWNS*** OSEN ANSWERS FOR ALL THE

If f = {(0, 1),(1, 2)}, (b) find h(x) = f(5 − 3x) − 2.