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US Mobile Market Share & Analytics Quiz
Questions: 8
Question 1
Using the 2025 total market value of $10.6$ billion, what is the specific dollar revenue generated by Samsung America Inc based on its market share of $25.4%$?
A. $2.15 billion B. $2.98 billion C. $2.54 billion D. $2.69 billion
Answer: $2.69 billion Explanation: To calculate the revenue, multiply the total market value by the company's market share: $10.6 \text{ billion} \times 0.254 = 2.6924 \text{ billion}$. Rounding to two decimal places gives $2.69 billion.
Question 2
If the US mobile phone market is valued at $10.6$ billion in 2025 and is projected to grow at a compound annual growth rate of $5%$ through 2028, what will be the total market revenue at the end of 2028?
A. $11.13 billion B. $12.18 billion C. $12.27 billion D. $11.66 billion
Answer: $12.27 billion Explanation: The future value is calculated using the formula $FV = PV \times (1 + r)^n$. Here, $PV = 10.6$, $r = 0.05$, and $n = 3$ (from 2025 to 2028). $10.6 \times (1.05)^3 = 10.6 \times 1.157625 = 12.270825$, which rounds to $12.27 billion.
Question 3
The Three-Firm Concentration Ratio ($C_3$) measures the combined market share of the top three companies. Based on the 2025 data for Samsung ($25.4%$), L.G. Electronics ($21.5%$), and Motorola ($16.4%$), what is the $C_3$ for the US mobile market?
A. 58.2% B. 46.9% C. 63.3% D. 72.1%
Answer: 63.3%
Explanation: The Three-Firm Concentration Ratio is the sum of the top three market shares: $25.4% + 21.5% + 16.4% = 63.3%$. This indicates a moderately concentrated market dominated by a few key players.
Question 4
In 2025, large retail chains accounted for $28%$ of the distribution channel value, while wireless service providers accounted for $23%$. Based on a total market value of $10.6$ billion, how much more revenue (in dollars) did large retail chains generate compared to wireless service providers?
A. $424 million B. $2.97 billion C. $530 million D. $297 million
Answer: $530 million Explanation: First, find the difference in percentage: $28% - 23% = 5%$. Then, calculate $5%$ of the total market: $10.6 \text{ billion} \times 0.05 = 0.53 \text{ billion}$, which is $530 million.
Question 5
Which company experienced the most significant decline in market share percentage points between 2022 and 2025?
A. Sanyo North America Corp B. Motorola Inc C. L.G. Electronics USA D. Nokia United States
Answer: Motorola Inc Explanation: Motorola Inc dropped from $34.8%$ in 2022 to $16.4%$ in 2025, a decrease of $18.4$ percentage points. This represents the largest loss of market share among the listed manufacturers during that period.
Question 6
Based on the 2025 data, what was the approximate average revenue per unit sold in the US mobile phone market? (Total Revenue: $10.6$ billion; Total Volume: $134,673,500$ units)
A. $78. B. $92. C. $85. D. $106.
Answer: $78. Explanation: To find the average revenue per unit, divide total revenue by total units: $$10,600,000,000 / 134,673,500 \approx $78.71$.
Question 7
