Astudy of a company's practice regarding the payment of invoices revealed that on the average an invoice was paid 20 days after it was received. the standard deviation equaled five days. assuming that the distribution is normal, what percent of the invoices were paid within 15 days of receipt?

15.87%

Step-by-step explanation:

Given : A study of a company's practice regarding the payment of invoices revealed that on the average an invoice was paid 20 days after it was received.

i.e. days

days

Z-score :

Now, the probability that the invoices were paid within 15 days of receipt is given by :-

Hence, 15.87% of the invoices were paid within 15 days of receipt.

160

step-by-step explanation:

idk

i hope i

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.