Find the Indicated Probability $\frac { 7 } { 8 }$

question 77

Multiple Choice

Find the indicated probability.
-If you flip a coin three times, the possible outcomes are HHH, HHT, HTH, HTT, THH, THT, TTH, TTT. What is the probability of getting at least one head?

• A) \(\frac { 7 } { 8 }\)
• B) \(\frac { 1 } { 4 }\)
• C) \(\frac { 1 } { 2 }\)
• D) \(\frac { 3 } { 4 }\)

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Definitions:

Sampling

The process of selecting a subset of individuals from a population to estimate characteristics of the whole population.

Stratified Random Sampling

A method of sampling from a population where the population is divided into distinct subgroups and samples are drawn from each subgroup.

Simple Random Sampling

A sampling method where each member of the population has an equal chance of being selected, ensuring the sample's representativeness.

Mutually Exclusive

Events that cannot occur at the same time, indicating a scenario where the happening of one event precludes the occurrence of the other.