From 7-12
60, 65, 115, 55, 120, 60
explanation: according to the picture, ab=bc=ac
cd=ce
The odd numbers between 1 and 7 are: 3 and 5. If we add all those numbers including 1 and 7, we have: 1 + 3 + 5 + 7 = 16.
17) 146 min.
18) 5 hrs and 31 min
19) -1/6
Answer:
An invoice was paid an average of 20 days after it was received.
Mean =
Standard deviation =
Now we are supposed to find what percent of the invoices were paid within 15 days of receipt i.e.P(x<15)
Formula :
At x = 15
Substitute the values
Refer the z table for p value
So, p value = 0.1587
So, 15.87% of the invoices were paid within 15 days of receipt
Step-by-step explanation:
Answer:
( 21 x X ) + 1
Step-by-step explanation: