Answer:
p(2/5)=-4
Step-by-step explanation:
Plug in 2/5 for x
p(2/5)=5(2/5)-6
Combine like terms
p(2/5)=2-6
p(2/5)=-4
Total numbers=10
mean(average)=14.8
standard deviation=3.4254
variance_standard deviation)=11.73333
population standard deviation=3.24962
variance(population standard deviation)=10.56