Answer:
z = 0 ; 1
Step-by-step explanation:
3 + 8 = 11 < 12
so z must be either 1 or 0
10, Count your fingers haha.
Using it's concept, it is found that the sample mean package weight for Thursday is of 19 ounces.
<h3>What is the mean of a data-set?</h3>
The mean of a data-set is given by the <u>sum of the observations divided by the number of observations</u>.
For Thursday, the package weights in ounces are given by: {18, 19, 20, 19}.
Hence, the sample mean in ounces is of:
M = (18 + 19 + 20 + 19)/4 = 19.
More can be learned about the mean concept at brainly.com/question/24628525
Answer:
The answer is cos B = 2/3
I hope it will help you :)
