Alemu, Tulu, Kassa and Tegitu worked for 4 hours, 6 hours, 5 hours and 5 hours respectively and all of them were paid 1,000 dollars
How much is the payment for one hour?
b, Find the amount each one gets.
a

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15