Mbanotesindia.com

Mba Global Network

Ms-8 Dec 2007

MS-8   Dec, 2007

MS-8 : QUANTITATIVE ANALYSIS FOR MANAGERIAL APPLICATIONS

1. Distinguish between decision making under certainty and decision making under uncertainty. Mention certain methods for solving decision problems under uncertainty. Discuss how these methods can be applied to solve decision problems.

2. Use Cramer's rule for a 3 x 3 system of linear equations to solve the following system :

2x - y + 3z = -3

-x-y+3z= -6

x-2y-z= -2

 

3. From the data given below, compute the quartile deviation.

Monthly wages   (Rs.)

No. of workers

Below 850

12

850-900

16

900-950

39

950-1000

56

1000-1050

62

1050-1100

75

1100-1150

30

1150 and   above

10

4. the members of a consulting firm rent cars from three rental agencies : 60% from agency l, 30% from agency 2 and 10% from agency 3. if   9% of the cars from agency 1 need a tune-up , 20%. of the cars from agency 2 need a tune-up and 6% of the cars from agency 3 need a tune-up, what is the probability that a rental car delivered to the firm will need a tune-up ?

5. To see whether silicon chip sales are independent of where the US economy is in the business cycle, data have been calculated on the weekly sales of a firm and on whether the US economy was rising to a cycle peak, at a cycle peak, falling to a cycle peak or at a cycle trough. The results are

 

 

 

 

 

 

High

Medium

Low

Total

Economy at peak

20

7

3

30

Economy at   trough

30

40

30

100

Economy rising

20

8

2

30

Economy

falling

30

5

5

40

Total

100

60

40

200

6. Write short notes on any three of the following :

(a) Concept of Maxima and Minima

(b) Types of classification of data

(c) Pascal Distribution

(d) Multi-stage sampling & Multi-phase sampling

(e) Box-Jenkins Models for Time Series

7. In order to test whether marathon races are bad for health, a researcher took a random sample of 400 runners who participated in the Delhi half-marathon and found that 13% of them got sick in the two-week period after the marathon. In a second sample of 400 runners who did not participate in the marathon, only 3% were sick in the same two-week period. What would be the null hypothesis ? Find a 9o% confidence interval for the percentage of Delhi half-marathon runners who got sick in the two-weeks after the race.

8. A study by a roadways company on the effect of bus-ticket prices on the number of passengers produced the following results :

Ticket price   Rs

Passengers per   100 km

25

800

30

780

35

780

40

660

45

640

50

600

55

620

60

620

Develop the estimating equation that best describes the data. Predict the number of passengers per 100 miles if the ticket were Rs.10.

Ms-8 june 2011
Ms-8 Dec 2008
 

Comments

No comments made yet. Be the first to submit a comment
Already Registered? Login Here
Guest
Monday, 16 December 2019
If you'd like to register, please fill in the username, password and name fields.
You are here: Home Question bank ignou assignments mba 2018 solved sales@mbaonlinepapers.com sales@mbaonlinepapers.com