Answer:
The Python code with the function is given below. Testing and output gives the results of certain chosen parameters for the program
Explanation:
def first_last(seq):
if(len(seq) == 0):
return ()
elif(len(seq) == 1):
return (seq[0],)
else:
return (seq[0], seq[len(seq)-1])
#Testing
print(first_last([]))
print(first_last([1]))
print(first_last([1,2,3,4,5]))
# Output
( )
( 1 , )
( 1 , 5 )
Hey!
------------------------------------------
<h3>Answers:</h3>
Operating System
Web Browser
Word Processor
Device Driver
------------------------------------------
<h3>Explanation:</h3>
Software is a set of data that tells the computer what to do. Each of the answer above tell the computer something specific to do.
The operating system are basic functions that make the computer run smoothly.
The web browser is telling the computer you want to look something up like in internet explorer, firefox, and chrome.
The word processor is a piece of software that tells the computer that you want to format a piece of text like in Microsoft word.
The device driver is a piece of software that controls a connected device like a phone or another computer.
------------------------------------------
Hope This Helped! Good Luck!
Answer:
The following statement is True.
Explanation:
Because when we are applying the pair t-test then, take differences of that pair and then treat it as an individual samples. Formula for the test is a statistic and in this case, it is also same as formula in the one-sample of t statistics.
Therefore, it will be an equivalent to the one-sample t-test.
Answer:
=IF(D3>50; E3; F3) AND =IF(A1>60;"Pass";"Fail")
Explanation:
An IF structure is built following this pattern:
IF(TEST;IFTRUE;IFFALSE)
These are the only options in the given drop-down menus what comply with this pattern. All others are not following this pattern.
The computer will do the test and if the result is true will apply the IFTRUE value, otherwise will apply the IFFALSE value.
Step 1
Save your work and close all programs. You will be restarting your computer during the process.
Step 2
Click “Start” from the task bar and then choose “All Programs.”
Step 3
Click “Accessories” from the program menu. Choose “System Tools” from the side pop-out menu and then select “System Restore.”
Step 4
Click “Restore my computer to an earlier time” from the Welcome screen. Click “Next” at the bottom.
Step 5
Choose a date in bold from the calendar shown on the Restore Point page. The date that you choose should be an earlier one, like a day or two before the deletion occurred. Click “Next” at the bottom of the window.
Step 6
Click “Next” on the next page. The restoration begins, and your computer will restart.
Step 7
Click “OK” from the completion window that appears when your computer loads again.
