document.write( "Question 420541: 1. In a certain large college course, past records show that grades A,B,C,D, and F are equally likely. If 1 student is chosen at random, find the following probabilities:
\n" );
document.write( "a. P(C)
\n" );
document.write( "b. P(A or B)
\n" );
document.write( "c. P(a grade higher than D)
\n" );
document.write( "d. P(A,B,C,D,or F)
\n" );
document.write( "e. P(B and D)
\n" );
document.write( "f. P(E)
\n" );
document.write( "g. P(not-A)
\n" );
document.write( "h. P(not-A and not-F)\r
\n" );
document.write( "\n" );
document.write( "2. A pharmacist has filled a box with six different kinds of antibiotic capsules. There are a total of 300 capsules, which are distributed as follows: tetracycline(15), penicillin(30), minocycline(45), Bactrim(60), streptomycin(70), and Zithromax(80). She asks her assistant to mix the pills thoroughly and to withdra a single capsule from the box. What is the probability that the capsule selected is:
\n" );
document.write( "a. either penicillin or streptomycin
\n" );
document.write( "b. neither Zithromax nor tetracycline
\n" );
document.write( "c. Bactrim
\n" );
document.write( "d. not penicillin
\n" );
document.write( "e. either minocycline, Batrim, or tetracycline? \n" );
document.write( "
Algebra.Com's Answer #293837 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! In a certain large college course, past records show that grades A,B,C,D, and F are equally likely. If 1 student is chosen at random, find the following probabilities: \n" ); document.write( "a. P(C) = 1/5 \n" ); document.write( "-------------------- \n" ); document.write( "b. P(A or B) = 2/5 \n" ); document.write( "-------------------- \n" ); document.write( "c. P(a grade higher than D) = 3/5 \n" ); document.write( "-------------------- \n" ); document.write( "d. P(A,B,C,D,or F) = 1 \n" ); document.write( "-------------------- \n" ); document.write( "e. P(B and D) = 0 \n" ); document.write( "----------------------- \n" ); document.write( "f. P(E) = 0 \n" ); document.write( "--------------------- \n" ); document.write( "g. P(not-A) = 4/5 \n" ); document.write( "--------------------- \n" ); document.write( "h. P(not-A and not-F) = P(B,C,D,) = 3/5 \n" ); document.write( "------------------------------------------- \n" ); document.write( "--------------------------------- \n" ); document.write( "2. A pharmacist has filled a box with six different kinds of antibiotic capsules. \n" ); document.write( "There are a total of 300 capsules, which are distributed as follows: tetracycline(15), penicillin(30), minocycline(45), Bactrim(60), streptomycin(70), and Zithromax(80). \n" ); document.write( "-------- \n" ); document.write( "She asks her assistant to mix the pills thoroughly and to withdraw a single capsule from the box. What is the probability that the capsule selected is: \n" ); document.write( "a. either penicillin or streptomycin: (30+70)/300 = 1/3 \n" ); document.write( "-------------------------- \n" ); document.write( "b. neither Zithromax nor tetracycline: 1 - (80+15)/300 = 205/300 \n" ); document.write( "--------- \n" ); document.write( "c. Bactrim: 60/300 = 1/5 \n" ); document.write( "-------------- \n" ); document.write( "d. not penicillin = 270/300 = 9/10 \n" ); document.write( "------------------- \n" ); document.write( "e. either minocycline, Batrim, or tetracycline? \n" ); document.write( "Leave that to you. \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========== \n" ); document.write( " \n" ); document.write( " |