The owner of a coffee shop collected receipts from all orders placed during a one-hour period for each receipt, the owner recorded the payment method used and if the receipt was $20 or less or more than $20. The following table shows the frequencies of the results
Cash
Payment Method
Credit/Debit Card
10
Phone App
Total
10
Receipt of $20 or less
Receipt of more than $20
Total
15
25
32
100
arted during the opened to be elected at random what is the probability that the receipt was paid with cash?

There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the distribution of act scores in recent years has been roughly normal with mean µ = 20.9 and standard deviation s = 4.8. sat scores are reported on a scale from 400 to 1600. sat scores have been roughly normal with mean µ = 1026 and standard deviation s = 209. reports on a student's act or sat usually give the percentile as well as the actual score. the percentile is just the cumulative proportion stated as a percent: the percent of all scores that were lower than this one. tanya scores 1260 on the sat. what is her percentile (± 1)?