If the greatest value of m can only be less than 9, then m<9 is the correct choice.
Answer:
Brand A: $0.05
Brand B: $0.07
Brand A is the better buy
Step-by-step explanation:
Brand A: 72x = 3.89
Brand B: 96x = 6.62
Brand A:
72x = 3.89
/72 /72
x = $0.05 (this one is the better buy)
Brand B:
96x = 6.62
/96 /96
x = $0.07
Hope this helps!
Puedes ver a https://es.khanacademy.org/math/calculus-home
The first is independent of one another because the probabilities of picking the marbles doesnt change because the first marble was placed back in. Now the second one is dependent because the first card picked wasnt placed back which changes the probability of the rest of the cards.
