Jimmy invests a sum of money in a savings account with a fixed annual interest rate of 3% compounded 10 times per year. After 10 years, the balance reaches $5,329. What was the amount of initial investment?

The amount of initial investment was $3,949.60.

Step-by-step explanation:

Since Jimmy invests a sum of money in a savings account with a fixed annual interest rate of 3% compounded 10 times per year, and after 10 years, the balance reaches $ 5,329, to determine what was the amount of initial investment, the following calculation has to be done:

X x (1 + 0.03 / 10) ^ 10x10 = 5,329

X x 1.003 ^ 100 = 5,329

X x 1.3492 = 5,329

X = 5,329 / 1.3492

X = 3,949.60

Therefore, the amount of initial investment was $3,949.60.

15%

step-by-step explanation:

use the table and count the number of guesses that has two correct answers.

the following are two correct answers

10010, 01100, 11000

a total of 3 numbers having 2 correct guesses out of 20 questions.

probability of getting 2 correct guesses = the number of questions getting 2 correct answers / total number of questions.

= 3/20

to convert it into percent multiply by 100, we get

= 3/20 * 100

= 15%

the answer is 15%

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