The mean of a set of data is 25 with a standard deviation of 2. What is the interval about the mean of the data within one standard deviation?

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%

you.

4.08%

step-by-step explanation:

central angle of a triangle has the same measure as its intercepted arc.

step-by-step explanation:

60: 45 =12: 9 =4: 3 so the answer is 4: 3