Mathematics, 14.09.2019 07:30 braines2003
You have a large jar that initially contains 30 red marbles and 20 blue marbles. we also have a large supply of extra marbles of each color. draw a marble out of the jar. if it's red, put it back in the jar, and add three red marbles to the jar from the supply of extras. if it's blue, put it back into the jar, and add five blue marbles to the jar from the supply of extras. do this two more times. now, pull a marble from the jar, at random. what's the probability that this last marble is red? what's the probability that we actually drew the same marble all four times?
Answers: 3
Mathematics, 21.06.2019 14:10
Abaker makes 186 cookies. some are chocolate chip and some are oatmeal raisin, and both kinds are made with and without nuts, as shown in the table above. because they are more popular, the baker made 2/3 of the cookies chocolate chip. if a chocolate chip cookie is chosen at random, what is the probability that it will have nuts? a) 21/93 b) 21/62 c) 41/93 d) 21/41
Answers: 2
Mathematics, 21.06.2019 20:00
What is the x-intercept and y-intercept of the equation 2x+1. 2o
Answers: 2
You have a large jar that initially contains 30 red marbles and 20 blue marbles. we also have a larg...
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