The answer is B for your question
Please take a full picture. I can see the graph but I don’t know what it asks for.
Answer:
Face Value = 8
Place Value = 80
Step-by-step explanation:
What is the difference between face value and place value of 8 in the number 281 ?
First we define Place value and Face Value
Place value
<em>Place value is defined as the digit multiplied wherever it is placed, either by tens, hundreds or thousands. </em>
Face Value
<em>Face value is defined as the digit itself within a number. </em>
Now: we will find face value and place value of 8 in the number 281.
Face Value = 8
Place Value = 8 x 10 (because 8 is at tens place) = 80
So, the answer is:
Face Value = 8
Place Value = 80
Answer: -1.77
Step-by-step explanation:
Let be the population mean.
Given : The engineer designed the valve such that it would produce a mean pressure of 5.5 psi. It is believed that the valve does not perform to the specifications.
Then ,
Since , the alternative hypothesis is two-tailed , so the test is a two tailed test.
Also. sample size :
Sample mean :
Test statistic for population mean :-