Ch2: Problem 4 Previous Problem Problem List Next Problem (1 point) According to

Question

Ch2: Problem 4 Previous Problem Problem List Next Problem (1 point) According to the U.S. National Center for Education Statistics, there are more than 63 million American workers 18 years old and over who use computers at work. From this study which was conducted in 1994 and 1998 Source: Statistical Abstract of the United States, 2000, Table 690), the following table of joint probabilities was developed Uses Spreadsheet No Spreadsheet Use 0.25 0.2 Female 0.33 0.22 Male A. What proportion of workers use a spreadsheet? B. W hat proportion of male workers use a spreadsheet? C. What proportion of spreadsheet users are female? Note: You can earn partial credit on this problem

Explanation / Answer

A) Proportion of workers who use a spreadsheet = 0.33 + 0.22 = 0.55

B) Total proportion of male workers = 0.22 + 0.2 = 0.42

Proportion of male workers who use a spreadsheet = 0.22 / 0.42 = 0.5238

C) Total proportion of spreadsheet users = 0.33 + 0.22 = 0.55

Proportion of spreadsheet users who are female = 0.33/0.55 = 0.6

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---