math
posted by kirk .
Riena has six unmarked CDs in a box, where each is dedicated
to exactly one of English, mathematics, French,
American history, chemistry, and computer science.
Answer the following questions:
a. If she chooses a CD at random, what is the probability
she chooses the English CD?
b. What is the probability that she chooses a CD that is
neither mathematics nor chemistry?

math 
drwls
a. 1/6
b. 4/6 = 2/3
Respond to this Question
Similar Questions

history & english
is the american dream available to everyone? 
Statistics and Probability
A computer supply house receives a large shipment of blank CDs each week. Past experience has shown that the number of flaws per CD can be described by the following probability distribution, where the random variable X represents … 
statistics
Among the 500 first year students of college, 270 students study computer science, 345 students study mathematics, and 175 students study both computer science and mathematics. If one student is selected at random, find the probability … 
probability
out of 250 students interviewed at a community college, 90 were taking mathematics but not computer science, 160 were taking mathematics, and 50 were taking neither mathematics nor computer science. Find the probability that a student … 
Math
On a truefalse test, each question has exactly one correct answer: true, or false. A student knows the correct answer to 70% of the questions on the test. Each of the remaining answers she guesses at random, independently of all other … 
Maths
Hi, I am just doing some maths revision in light of my maths GCSE resit, which is very soon. I am sitting the higher paper for the first time, so some of the questions towards the end of the paper are very testing of my knowledge. … 
Math
You have $60.00 in your wallet and want to buy some new CDs. If the CDs are $11.00 each, what number of CDs, x, can you buy? 
algebra
A bag contains 9 marbles: 2 are green, 4 are red, and 3 are blue. Laura chooses a marble at random, and without putting it back, chooses another one at random. What is the probability that both marbles she chooses are blue? 
maths
In a class of 38 students, each student studies at least one of the following subjects: French, Mathematics and History. The following table gives further details of the subject studied. French 9 Mathematics only 8 History only 1 French … 
Math: Geometry
Of 162 students honored at an academic awards banquet, 48 won awards for mathematics and 78 won awards for English. There are 14 students who won awards for both mathematics and English. A newspaper chooses a student at random for …