Tell which is the better buy. a 3 lb bag of apples for $3.26 or a 5 lb bag of apples for $4.89 a 3 lb bag of apples for $3.26 a 5 lb bag of apples for $4.89

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)