Compute the Mean and Standard Deviation of a Binomial Random

question 2

Multiple Choice

Compute the Mean and Standard Deviation of a Binomial Random Variable
-A recent survey found that 70% of all adults over 50 wear sunglasses for driving. In a random sample of 60 adults over 50, what is the mean and standard deviation of those that wear sunglasses

• A) mean: 42; standard deviation: 3.54964787
• B) mean: 42; standard deviation: 6.4807407
• C) mean: 18; standard deviation: 3.54964787
• D) mean: 18; standard deviation: 6.4807407

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Definitions:

Separated

The state of being divided or kept apart from something or someone else.

Picked Up

A phrase indicating that something has been lifted off a surface or that interest, intensity, or pace has increased.

Contaminant Transport

The movement of chemical substances or pollutants through the environment, affecting air, water, and soil quality.

Vegetated Zone

Areas covered with plants including grasses, trees, and shrubs, often key in preventing erosion and providing habitat.