Mathematics, 08.07.2019 20:30 aliami0306oyaj0n
Abox contains four red balls and eight black balls. two balls are randomly chosen from the box, and are not replaced. let event b be choosing a black ball first and event r be choosing a red ball second. what are the following probabilities? p(b) = p(r | b) = p(b ∩ r) = the probability that the first ball chosen is black and the second ball chosen is red is about percent.
Answers: 2
Mathematics, 21.06.2019 14:10, hockejoh000
You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.
Answers: 3
Mathematics, 21.06.2019 21:00, animexcartoons209
With alll of except for the 2 that i did already
Answers: 1
Mathematics, 21.06.2019 21:00, minasotpen1253
Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day
Answers: 1
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