Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the survey, assume the mean annual salary for graduates 10 years after graduation is 136000 dollars. Assume the population standard deviation is 45000 dollars. Suppose you take a simple random sample of 95 graduates. Find the probability that a single randomly selected salary that doesn't exceed 138000 dollars.
Find the probability that a sample of size n=95n=95 is randomly selected with a mean that that doesn't exceed 138000 dollars.
Enter your answers as numbers accurate to 4 decimal places.

Which of the following accurately describes a surplus? a. consumer demand for a certain car is below the number of cars that are produced. b. the production costs for a certain car are below the sale price of that car. c. a reduction in the cost of steel enables a car company to reduce the sale price of its cars. d. a car company tries to charge too high a price for a car and has to reduce the price. 2b2t

Why should you not sign the tenant landlord agreement quickly and immediately

Acompany that makes shopping carts for supermarkets and other stores recently purchased some new equipment that reduces the labor content of the jobs needed to produce the shopping carts. prior to buying the new equipment, the company used 6 workers, who produced an average of 79 carts per hour. workers receive $16 per hour, and machine coast was $49 per hour. with the new equipment, it was possible to transfer one of the workers to another department, and equipment cost increased by $11 per hour while output increased by four carts per hour. a) compute the multifactor productivity (mfp) (labor plus equipment) under the prior to buying the new equipment. the mfp (carts/$) = (round to 4 decimal places). b) compute the productivity changes between the prior to and after buying the new equipment. the productivity growth = % (round to 2 decimal places)