probabilty
posted by Anonymous .
When I go to the local music store the probability I can buy any particular CD I want is 2/5, but if I go to the department store in nearby Tadchester the probability is 5/6. I want to buy two particular CDs. What is the probability that
(a)I can get them both locally
(b)I fail to get either locally but get both at Tadchester
(c)I fail to get either CD locally or at Tadchester
(d)I get one CD locally and the other at Tadchester?
(a)multiply 2/5?
(b)multiply 5/6?
(c)multiply 3/5 and 1/6?
(d)multiply 2/5 and 5/6?
I think I have this all worng. Thanks for any help!

probabilty 
economyst
a) both local (2/5)*(2/5)
b) neither local both a Tads (3/5)*(3/5)*(5/6)*(5/6)
c) neither local neither a Tads (3/5)*(3/5)*(1/6)*(1/6)
d) one local, one at Tads 2*[(2/5)*(3/5)*(5/6)]
Respond to this Question
Similar Questions

English
1. If you want to buy books, to which floor do you have to go? 
English
To which floor do you have to go to buy gloves in Sunny Department Store? 
college
The manager of a Drug Store knows that 50% of the customers entering the store buy prescription drugs, 65% buy overthecounter drugs, and 18% buy both types of drugs. What is the probability that a randomly selected customer will … 
Math
Store A usually sells a jacket for $72 but today I can buy it for $40. Store B usually sells the same jacket for $38 but today I can buy it for $18. Which store is offering the greatest percentage off the origanal price ? 
Statistics
In a department store there are 120 customers, 90 of whom will buy at least 1 item. If 5 customers are selected at random, one by one, find the probability that all will buy at least 1 item. 
Statistics
John runs a computer software store. Yesterday he counted 127 people whwo walked by his store, 58 of whom came into the store. OF the 58, only 25 bought something in the store. A. What is probability that a person who walks by the … 
English
1. Where do you buy a scarf? I buy it at the department store. 2. Where do you buy the scarf? 
math
You are at the music store to buy some CDs. You have $45 to spend and the store sells CDs for 12.99 each. Write an inequality that represents the number, n, of CDs that you can buy without spending more money than you have. help greatly … 
English
1. I went to Shinsegae Department Store to buy some clothes. 2. I went to a Shinsegae Department Store to buy some clothes. 3. I went to the Shinsegae Department Store to buy some clothes.  Which one is right? 
math
4 Luke can purchase a 12pound item from several different retailers. Which of the following is the best buy?