A marketing researcher for a phone company surveys 100 people and finds that the proportion of customers who are likely to switch providers when their contract expires is 15% a) What is the standard deviation of the sampling distribution of the proportion? b) If she wants to reduce the standard deviation by half, how large a sample would she need?

The cost of labor is significantly lower in many countries than in the united states. if you move manufacturing to a facility to a country labeled as part of the axis of evil and a threat to world peace you will increase the net income of your client by $10 million per the facility is located in a country which limits personal freedom and engages in state sponsored terrorism. imagine you are a marketing consultant. (a) what would you tell the executives to do? (b) what are the alternatives? what are your recommendations? why do you recommend this course of action?