Binge drinking In a recent National Survey of Drug Use and Health, 2312 of 5914 randomly selected full-time U. S. college students were classified as binge drinkers.13 (a) Calculate and interpret a 99% confidence interval for the population proportion p that are binge drinkers. (b) A newspaper article claims that 45% of full-time U. S. college students are binge drinkers. Use your result from part (a) to comment on this claim.

At river bank, checking account customers earn 0.75% interest a month on their account balances, pay no service fees for writing checks, and pay a monthly $2.00 financial charge. calculate the income earned in one month on the checking account for a customer with an account balance of $1,000. a. $4.25 b. $5.50 c. $6.75 d. $7.25 checking account earnings at baker’s bank are expressed by the equation: i = -0.09x + 10.2. while the earnings at elite bank are modeled by: i = -0.02x + 7.5. in both cases, x is the number of checks written. at what number of checks will elite bank start generating more checking account income than baker's bank? a. 12 b. 25 c. 39 d. 42 emilio’s checking account had a balance of 728.32 at the beginning of the week. he wrote checks for the following amounts throughout the week: $99.48, $33.50, $18.23, and $72.05. he also deposited his paycheck in the amount of $1,109.90. what is his account balance at the end of the week? a. $1,192.35 b. $1,222.86 c. $1,540.52 d. $1,614.96

Need solving this 2nd limit problem.

What is the mean of the data set 125, 141, 213, 155, 281