Hotels’ use of ecolabels. refer to the journal of vacation marketing (january 2016) study of travelers’ familiarity with ecolabels used by hotels, exercise 2.64 (p. 80). recall that adult travelers were shown a list of 6 different ecolabels, and asked, “suppose the response is measured on a continuous scale from 10 (not familiar at all) to 50 (very familiar).” the mean and standard deviation for the energy star ecolabel are 44 and 1.5, respectively. assume the distribution of the responses is approximately normally distributed a. find the probability that a response to energy star ex- ceeds 43 between 42 and 45 think it is likely that t b. find the probability that a respo nse to energy star falls c. if you observe a response of 35 to an ecolabel, do vou he ecolabel was energy star? explain.

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