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scores on a statewide standardized test are normally distributed with a mean of 12.89 and a standard deviation of 1.95. certificates are given to students whose scores are in the top 2% of those who took the test. this means that they scored better than 98% of the other test takers. marcus received his score of 13.7 on the exam and is wondering why he didn’t receive a certificate. show all work to determine whether marcus’ score was high enough to earn a certificate. write a letter to marcus explaining whether or not he will be receiving a certificate. include a brief summary of your statistical analysis in your letter.

Ascatter plot with a trend line is shown below. which equation best represents the given data? y = x + 2 y = x + 5 y = 2x + 5

How many grams the dog will eat in 3 days?

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