subject
Mathematics, 12.12.2019 10:31 estermartinez

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(rib) =
p(bnr)=
the probability that the first ball chosen is black and the second ball chosen is red is about percent.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules
Answers: 1
question
Mathematics, 21.06.2019 22:00
The table below lists recommended amounts of food to order for 10 party guests. how much of each food item should nathan and amanda order for a graduation party with 55 guests? use the table to answer. item amount fried chicken 16 pieces lasagna 7 pounds deli meats 1.8 pounds sliced cheese 1 and two fifths pounds bakery buns 1 dozen potato salad 2 pounds
Answers: 3
question
Mathematics, 22.06.2019 02:10
If point cis between points a and b, then ac + — = ab
Answers: 1
question
Mathematics, 22.06.2019 02:30
In one month jillian made 36 local phone calls and 20 long-distance calls what was her ratio of local calls to long-distance calls for that month?
Answers: 1
You know the right answer?
Abox contains four red balls and eight black balls. two balls are randomly chosen from the box, and...
Questions
question
Physics, 09.10.2019 17:30
question
Biology, 09.10.2019 17:30
Questions on the website: 13722363