You want to test the hypothesis that the average NYU student spends no more than $600 on subway fares per academic year. You happen to know that variance in subway fare spending is $900. You plan to test this hypothesis by asking n students to track their subway expenses over the course of the academic. If you have a significance level of .01, how many students would you have to track to have a 90% chance of rejecting the null hypothesis when the average subway spending is actually $620. (It is a one-sided hypothesis test with H0: µ = $600 and H1: µ > $600)

dd

step-by-step explanation:

dd

in the math equation 8 x 7 = 56, the 8 and the 7 are both factors of 56, since in this lesson we will use square tiles to figure out the factors of a whole find as many different arrays as you can, but follow one important rule: all the rows must have the i can make two rows of nine, so 2 and 9 are both factors of 18.

step-by-step explanation:

the system of inequalities is

step-by-step explanation:

step 1

find the equation of the dashed line

we have the points

(0,0) and (3,1)

the line passes through the origin, so, is a direct variation

find the slope

the equation of the dashed line is

the solution of the inequality a s the shaded area above the dashed line

therefore

the equation of the inequality a is

step 2

find the equation of the solid line

we have the points

(4,0) and (0,4)

find the slope

the equation of the solid line is

the solution of the inequality b s the shaded area below the solid line

therefore

the equation of the inequality b is

step 3

the system of inequalities is

47.28 or 47.2857143

step-by-step explanation:

you just divide 331 by 7 and you get that answer. ( i think so tho)