Part 2) Write regression model equation only

29 Mar

Decision Science


1. Three airlines serve a Srinagar. Airline ‘Amira’ has 50% of all the scheduled flights, airline ‘Biyas’ has 30%, and airline ‘chinar’ has the remaining 20%. Their on-time rates are 80%, 65%, and 40%, respectively.

Part 1) Draw the Probability tree diagram. (Note: You may use any software for this, like MS paint, MS office, etc.)

Part 2) A plane has just left on time. What is the probability that it was airline ‘Amira’?

2. Rashmi Dhar, manufacturer, and seller of ‘Kashmiri- kahwa’ through E-commers websites.

She wanted to know the effect of her spending in advertisement of ‘Kahwa’ on the sales, along with the other factors; ‘number of sales representatives’, ‘customer-satisfaction ratings’. For this research she has gathered the sales data in the following table, along with other necessary information.

Part 1) Define dependent and independent variables

Part 2) Write regression model equation only.

Part 3) Run regression analysis in EXCEL (copy all those tables from EXCEL and paste them in your document).

Part 4) Write the Interpretation of Regression statistics-table, ANOVA- table.

Write an interpretation (by referring P-value/ t-stat) on significant effect of independent variables on sales.



Sales of Kahwa (in INR) Spending in advertise (in INR) Number of sales Representatives (person) Customer-satisfaction ratings (1=highly dissatisfied to 5 = highly satisfied
Kupwara 55328 5512 1 1
Badgam 56251 8337 1 1
Leh-ladakh 57126 8788 4 1
Kargil 58739 8828 5 1
Punch 66984 9050 5 2
Rajouri 70676 10150 7 2
Kathua 73206 11236 8 2
Baramula 80571 12538 8 3
Bandipore 93168 13161 8 3
Srinagar 99432 13448 9 4


3.a. According to one survey in India, 75% of Instagram users love REELS. Suppose that 25 Instagram users (randomly selected) have been approached in the university located in vile parle. They have been asked about their status of like/ dislike the Instagram- REELS.

a) What is the probability that Exactly 15 of them would agree with the claim (or said they love Insta-REELS)?

b) What is the probability that Exactly 20 of them would agree with the claim (or said they love Insta-REELS)?

3.b. ‘Bhartdarshan’ is an Internet-based travel agency wherein customers can see videos of the cities they plan to visit. The number of hits daily is a normally distributed random variable with a mean of 10,000 and a standard deviation of 2,400.

a. What is the probability of getting more than 12,000 hits?

b. What is the probability of getting fewer than 9,000 hits?


Strategic Management


1. Strategic Management crucially define and determine the long-term performance of a business entity. This is with reference to, Nokia, who lost its pace in the smartphone race. As quoted by source:

“Nokia has been long the market leader in the mobile phone market and with its enormous reach and huge customer base, had successfully created significant entry barriers for any new player as such. Its Symbian OS being the backbone of the whole success story contributed to a great deal in its higher perceived ease of use. Customers used to enjoy the features, thanks to highly simplified GUI. It ruled the middle and low-end market for long.

But, Nokia did a blunder and lost its market share.”(Source: In the context of above case, define the term strategic management, discuss, what are the three major challenges to strategic management and specifically point out in relation to Nokia among the three challenges, out of these challenges which challenge hit hard to the Business Giant.

2. Reliance Industries Limited is a Fortune 500 company and the largest private sector corporation in India.

RIL, have evolved from being a textiles and polyester company to an integrated player across energy, materials, retail, entertainment and digital services. In each of these areas, they are committed to innovation-led, exponential growth. It’s clearly evident that RIL has adopted parenting strategy. Discuss the concept of corporate parenting. Discuss the analytical steps which are crucial in developing corporate parent strategy. Conclude how Corporate parenting or parenting strategy is more beneficial when compared against portfolio based corporate strategy.

3. General Electric (GE) is well known for its extraordinary competency in management development.

a. Discuss how the terms capabilities, competency and distinctive competency differs from each other.

Also, with reference to the VRIO Framework of analysis, highlight the four questions which any strategist might have examined in relation to GE for evaluating its extraordinary competency in management development.

b. Describing VRIO Framework with reference to GE:

– Valuable

– Rareness

– Imitability

– Organization

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