A business owner whose weekly income is $10,000.00 with a standard deviation of $8,000.00. Please determine the area under the curve for business owners whose weekly income is $7,000.00 and $15,000.00.
The Quality Assurance Department for Cola, Inc maintains records regarding the amount of cola in its Jumbo bottle. The mean per bottle is 64 ounces and the population standard deviation is 2.5 ounces. The quality technician randomly selected 50 bottles from the filling line. The mean amount of cola contained in the bottles is 64.5 ounces. Using the Please find the Z value. Please determine the probability. Out of the sample, how many of the bottles were over-filled?