Cola sales breakdown as 80% regular soda and 20% diet soda. While 60% of the regular soda is purchased by men, only 30% of the diet soda is purchased by men. If a woman purchases Cola, what is the probality that it is diet soda? I need help setting it up.
2006-10-02 12:46:42 · 4 answers · asked by Willie_Spencer 1 in Education & Reference ➔ Home Schooling
Only 20% of all cola sales are diet? 70% of all diet soda is bought by women?
If a "person" buys a cola, what is the probability it is diet? 20%.
If a woman buys a cola, the probability of it being diet is .2 times .7, or 14%.
To check, we can compute the probabilites of the other three outcomes. If a woman buys a cola, what is the probability of it being regular? .8 times .4, or 32%.
If a man buys a cola, what is the probability of it being regular? .8 times .6, or 48%. If a man buys a cola, what is the probability of it being diet? .2 times .3, or 6%.
Now, addem: 14 + 32 + 48 + 6 = 100
Yes!!
2006-10-02 14:17:20 · answer #1 · answered by ? 6 · 0⤊ 0⤋
2/3 of 20% So approximately 13% chance.
2006-10-02 19:54:13 · answer #2 · answered by ndtaya 6 · 0⤊ 0⤋
50%. Either it is or it isn't.
2006-10-02 19:48:47 · answer #3 · answered by qrious 2 · 0⤊ 0⤋
wow, very hard........
2006-10-02 19:57:25 · answer #4 · answered by Webballs 6 · 0⤊ 1⤋