Testing: H0:μ≤4.6
H1:μ>4.6
Your sample consists of 30 values, with a sample mean of 6.4. Suppose the population standard deviation is known to be 3.91.
Calculate the value of the test statistic, rounded to 2 decimal places.
z=?

how long did the flood last

step-by-step explanation:

then i will answer

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

correct answer is option b.

step-by-step explanation:

the true statement about geometric figure is option b that is one line can be drawn through all three points.

if three points are on the same plane, they can be connected by a line.

i think the answer would be c