The mean amount of money withdrawn from a bank ATM on a particular day was $120. If Lauren withdrew $80 and her zscore was 3.2, what was the standard deviation for the amount withdrawn that day?
 👍
 👎
 👁
 ℹ️
 🚩
1 answer

zscore = (given data  mean)/ sd
3.2 = (80120)/sd
3.2sd = 40
sd = 12.5 👍
 👎
 ℹ️
 🚩
Reiny
Answer this Question
Related Questions

math
Lana has $60. She spends 80% of the money. She invests the remaining amount and earns a profit of 80%. How much money does she now have?

Math
Are these correct ?. My grade counts on this and I'm not the best at math. I. Interest is ____?. (1pt) a. The amount of money your bank pays you for the use of only your money. b. The amount you might pay for a loan. * c. A percentage rate. d. All of the

math
Kayla needs to have $560.00 to buy a new laptop. She already has $200.00 in the bank. Each month she will add $45.00 to her bank account. How many more months until she has enough money to buy her laptop?

Discount Note
On September 5, Sheffield company discounted at sunshine bank a 9000.00 Maturity value, 120day note dated June 5, shushines discount rate was 9%. What proceeds did sheffield company receive? Use the 360 days

math
URGENT a coin bank contains dimes and quarters. the number of quarters is five less than four times the number of times. the total amount in the bank is $6.45. find the number of dimes in the bank.

chem.
A sample of argon at 300. °C and 50.0 atm pressure is cooled in the same container to a temperature of 0. °C. What is the new pressure? 105 atm 45.5 atm 54.9 atm 23.8 atm 42.7 atm

Math
Find the final amount of money in an account if $3,300 is deposited at 6% interest compounded quarterly (every 3 months) and the money is left for 8 years. The final amount is $ Round answer to 2 decimal places Answer plsss!

math
There are 10 children (aged 1 to 10 years) who have equal amounts of money. In the first transaction the eldest child gives one rupee to every child younger to him. In the second transaction, the second eldest child gives one rupee to every child younger

Math
Jachin is saving to buy a new tablet that costs more than $400. He already has $85 in his piggy bank, and he is able to put $25 in his bank once a week when he gets paid for mowing lawns. The inequality that represents this situation is 25w+85>400, where w

algebra
A bank charges $3 each time you use an outofnetwork ATM. At the beginning of the month, you have $1500 in your bank account. You withdraw $60 from your bank account each time you use an outofnetwork ATM. Graph a linear equation that represents the

Business math
On September 5, Sheffield company discounted at Sunshine Bank a $9000 maturity value, 120 day note dated June 5. Sunshines discount rate was 9%. What proceeds did Sheffield company recieve?

Mathematics
The some of money is shared among 3 person A,B and C in the ratio of 2:3:8 if received $120 more find the sum of money shared

differential equation
If P(t) is the amount of dollars in a savings bank account that pays a yearly interest rate of r% compounded continuously ,then dP/dt=(r/100)(P) , t in years . Assume the interest is 5% annually ,P(0)=$1000 ,and no monies are withdrawn a)how much will be

math
Sue and Ann earned the same amount of money this month, although one worked six days more than the other. If Sue earned $36 per day and Ann earned $60 per day, how many days did each work?

Logarithmic Functions
Suppose you deposit $2,000 in a savings account that pays interest at an annual rate of 4%. If no money is added or withdrawn from the account, answer the following questions. 1.) How much money will be in the account after 3 years? 2.) How much money will

finance
Rob has $1,000 to invest for 120 days and is considering two options. Option 1: He can invest the money in a 120day GIC paying simple interest of 4.48%. Option 2: He can invest the money in a 60day GIC paying simple interest of 4.50% and then reinvest

mathematics
a sum of money is to be divided among A,B and C in the ratio 2:3:5. the largest share amount to $1200. calculate: the total sum of money to be shared ii} A's share iii} the percentage of the total amount that B receives

school of the nation
Marie gets $500 pocket money each day,she spends $300 each day. Write fractions to show the money spent and money left: (1) at the end of 1 day (2) at the end of 1 week

math
1. Which graph might show the temperature during a 24hour period? (1 point) A B C D 2. Which graph might show the amount of money in a bank account if money is never taken out? (1 point) A B C D 3. Which graph might show the amount of money in a bank

math
daniel has a money market account with $1200.the bank offered him a special rate of 5.25%per month.how much money will he have after the first month? $1263 right (thank you so much)
Still need help?
You can ask a new question or browse existing questions.