# Socratic.org

## Suppose 10% of all redeemed coupons at a supermarket are

Suppose 10% of all redeemed coupons at a supermarket are for 50% off the item purchased. A simulation is used to model a coupon randomly selected and then recorded as 50% off or not 50% off.

Actived: 1 days ago

### Questions asked by Jobina B.

Suppose 10% of all redeemed coupons at a supermarket are for 50% off the item purchased. A simulation is used to model a coupon randomly selected and then recorded as 50% off or not 50% off. Which simulation best models the scenario? HELP, please ? Which is the BEST statement of theme of these lines from the passage?

Category:  coupon codes

### Felipe used a 40 percent off coupon on a single item at

Felipe used a 40 percent off coupon on a single item at the craft store which saved him \$16.42. What would the item have cost if he had not used the coupon?

Category:  coupon codes

### How do you construct a 95% confidence interval

Explanation: Given the mean, standard deviation, the number of samples and the desired confidence interval, the interval is calculated from the following formula: ¯x+/-(z × ( σ √n)) where z is from the standard distribution tables (in the reference), and is 1.96 for a CI of 95%. 100+/-(1.96 × (17.50 √40))

Category:  coupon codes

### A 240-in. pipe is cut into two pieces. One piece is three

The lengths are 60 inches and 180 inches. Let's represent the longer piece of pipe with the variable L and the smaller piece of pipe with the variable S. Since the pipe is going to be the length of L and S together, we can make this equation: L + S = 240 We also know that the longer piece is three times the shorter piece or: L = 3S Substitute the second equation into the first equation: L + S

Category:  coupon codes