Answer:

As a decimal = 0.05 (nearest hundredth)
Step-by-step explanation:

First pick:

As the case is NOT replaced, second pick:

As the case is NOT replaced, third pick:

Therefore,

Answer as a decimal = 0.05 (nearest hundredth)
Mean is average so you sum up all 4 numbers and divide by 4. Answer is 27.6725 or rounded 27.67
Have a nice day. Hope this helps.
y=4x+40
x represents the number of minutes
y is the total
40 because he already graded 40 papers, and 4x because that's how many phred grades times the number of minutes
7/25 because you can divide everything. Y 3
Answer: n=11
Step-by-step explanation: