Find the Indicated Sum $$\sum _ { \mathrm { i } = 1 } ^ { 5 } \frac { 4 } { 3 } \cdot 2 ^ { \mathrm { i } }$$

question 1

Multiple Choice

Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
- $$\sum _ { \mathrm { i } = 1 } ^ { 5 } \frac { 4 } { 3 } \cdot 2 ^ { \mathrm { i } }$$

• A) \(\frac { 248 } { 3 }\)
• B) \(\frac { 266 } { 3 }\)
• C) \(\frac { 272 } { 3 }\)
• D) \(\frac { 287 } { 3 }\)

Distinguish between different research methods (e.g., experimental, correlational, surveys) and their purposes.

Recognize the importance of sample representativeness in research findings' generalization.

Interpret the statistical measure of correlation and its implications for determining the direction and strength of relationships.

Identify the importance of random sampling in achieving representativeness in surveys.

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