9. (6) Construct a confidence interval for Ma, the mean of the differences d for the population of paired data. Assume that the population of paired differences is
normally distributed.
Ten different families are tested for the number of gallons of water a day they use
before and after viewing a conservation video. Construct a 90% confidence interval
for the mean of the differences.
Before 33 33 38 33 35 35 40 40 40 31
After 34 28 25 28 35 33 31 28 35 33

in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.

x =±sqrt(1/3)

step-by-step explanation:

x+4/6x=1/x

multiply each side by 6x to get rid of the fractions

6x*(x+4/6x)=1/x*6x

distribute

6x^2 +4 = 6

subtract 4 from each side

6x^2 +4-4 = 6-4

6x^2 =2

divide by 6

6x^2/6 = 2/6

x^2 = 1/3

take the square root of each side

sqrt(x^2) = ±sqrt(1/3)

x =±sqrt(1/3)

80 the answer is 80

step-by-step explanation:

step-by-step explanation:

im not sure what the answer is