After collecting a random sample of 101 individuals living in Arizona, you determine that the 95% confidence interval for the mean income is (58,434; 74,405). What was the standard deviation of income for the sample

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%