Two balls are drawn with replacement and without

Two balls are drawn with replacement and without replacement from an urn containing 8 balls, of which 5 are white and 3 are black.

Find the probability that:

(i) Boths balls will be white

(ii) Both balls will be the same color

(iii) At least one of the balls will be white

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Two balls are drawn with replacement and without : two balls are drawn with replacement and without replacement from an urn containing 8 balls of which 5 are white and 3

Estimate the power required for each of four engines if : a large 600-m-long 100-m-diameter cigar-shaped dirigible is planned for cruises for retired engineers. as a first

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During the process heat is transferred to maintain the : air is contained in a variable-load cylinder-piston device equipped with a paddle wheel. initially the air is at 500