(p. 234). The data on job satisfaction was collected from 13,600 respondents across 34 countries and the data indicated 89% of Indian employees are satisfied at work. In a random sample of 130 Indian employees, let x be the number who are satisfied at work.

a. Find the mean of x. (This value should agree with your answer to Exercise 4.48c.)

b. Find the standard deviation of x.

c. Find the z-score for the value x = 120.

d. Find the approximate probability that the 130 Indian employees who are satisfied at work is less than or equal to 120. Applying the Concepts—Intermediate 4.105 House Prices. Refer to the article “House Prices, Fundamentals and Bubbles,” in the Journal of Business, Finance, & Accounting (Vol. 33, pp 1535–55, 2006) that analyzes actual (real) house prices relative to fundamental (real) house values, Exercise