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Susan deposited 49228 € for 31.3. – 28.8. and received net accrued interest of 322.6 €. The tax at source rate was 30 %. Calculate the nominal annual interest rate (= interest rate which contains both investor's and taxman's shares).
John deposited 3.2. 65690 € in a bank account which had an annual interest rate of 2 % (p.a.). The deposit was withdrawn 23.6. Calculate the net accrued interest when the tax at source rate was 30 %.
Alice deposits 1788 € for 3 months in a bank account which has an annual interest rate of 2.4 % (p.a.). Calculate the net accrued interest when the tax at source rate is 30 %.
Joan lent 47331 € to Thomas and charged 468.4 € interest for the loan. The interest rate was 1.85 % (p.a.). How long was the loan period in calendar days?
A family needs a loan of 10 000 € for renovation. The loan period is 1 year and payments are made 4 times a year. The interest rate of the annuity loan is 4.2 % p.a. What is the remaining balance after the first payment?
An electrical firm manufactures light bulbs that have a length of life that is normally distributed with mean equal to 778 hours and a standard deviation of 40 hours. Find the probability that a bulb burns between 710 and 841 hours.
An electrical firm manufactures light bulbs that have a length of life that is normally distributed with mean equal to 809 hours and a standard deviation of 48 hours. Find the probability that a bulb burns between 728 and 848 hours
The weights of 1,000 children, in average, is 62kg with standard deviation of 19kg. Suppose the weights are normally distributed, how many children weigh greater than 56kg?
The weights of 1,000 children, in average, is 61kg with standard deviation of 10kg. Suppose the weights are normally distributed, how many children weigh less than 60kg?
The weights of 1,000 children, in average, is 49kg with standard deviation of 18kg. Suppose the weights are normally distributed, how many children weigh between 53kg and 59kg?
