Asmall train at an amusement park is carrying passengers. one fourth are 5 years old, one half is are 6 yrs old and one eight is 7 yrs old, and one eight are 9 years old. what is the expected age of one of the passengers on the train.

6.25

Step-by-step explanation:

Got it right on the test.

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.

ok

step-by-step explanation: