aubree owns a small business selling clothing. she knows that in the last week 69 customers paid cash, 2…

aubree owns a small business selling clothing. she knows that in the last week 69 customers paid cash, 2 customers used a debit card, and 7 customers used a credit card. based on these results, express the probability that the next customer will pay with something other than cash as a percent to the nearest whole number.

aubree owns a small business selling clothing. she knows that in the last week 69 customers paid cash, 2 customers used a debit card, and 7 customers used a credit card. based on these results, express the probability that the next customer will pay with something other than cash as a percent to the nearest whole number.

Answer

Explanation:

Step1: Calculate total number of customers

The total number of customers is the sum of those who paid cash, used debit - card and used credit - card. So, $69 + 2+7=78$ customers.

Step2: Calculate number of non - cash customers

The number of customers who paid with something other than cash is $2 + 7=9$ customers.

Step3: Calculate the probability as a fraction

The probability $P$ that the next customer will pay with something other than cash is the number of non - cash customers divided by the total number of customers. So, $P=\frac{9}{78}$.

Step4: Convert the fraction to a percentage

$P=\frac{9}{78}\times100%=\frac{900}{78}% \approx 12%$

Answer:

$12%$