Incorrect:
√9 + 16

=
√9

+
√16
= 3 + 4 = 7

Correct:
√9 + 16

=
√25
= 5

Incorrect:
√9 + 16

=
√9

+
√16
= 3 + 4 = 7

Correct:
√9 + 16

=
√25
= 5

Incorrect:
6x + 3
6x + 2

=
3
2

Correct:
6x + 3
6x + 2

=
6x + 3
6x + 2

Incorrect:
6x + 3
6x + 2

=
3
2

Correct:
6x + 3
6x + 2

=
6x + 3
6x + 2

Jul 20, 21 10:08 AM
Learn to calculate the mean of a discrete random variable with this easy to follow lesson