Question

Please Help me with 8&11. (most importantly 8

Answer 1

Answer:8) x=10

11)=> 1/2

Step-by-step explanation:

8)

Observations=x+3, x+5, x+7

Mean= sum of observations/no.of observations

Mean=15

Mean=(x+3+x+5+x+7)/3

15=(3x+15)/3

45=3x+15

3x=30

x=10

11) Prime numbers below 6=2, 3, 5

Probability= Outcome/ Total Outcome

Probability=3/6

=1/2