(4pts) Find the a. mean and b. standard deviation for the data set. Round to two decimal places. SHOW ALL WORK. Number of Television Sets per 100 people in 5 countries: 75, 45, 80, 60, 65

a.) Mean = b.) Standard Deviaion =

false

step-by-step explanation:

false : it can not go to 9 the highest that part can go is 7

here is your proof

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2