Based on a Sample of 30 Randomly Selected Years, a 90

question 7

Multiple Choice

Based on a sample of 30 randomly selected years, a 90% confidence interval for the mean annual precipitation in one city is from 48.7 inches to 51.3 inches.Find the margin of error.

• A)0.39 inches
• B)0.10 inches
• C)2.6 inches
• D)1.3 inches
• E)There is not enough information to find the margin of error.

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Definitions:

Phobia

An extreme or irrational fear or aversion to a specific thing or situation, often leading to avoidance behavior.

Morbid Fear

An irrational and exaggerated fear of an object or situation that poses little to no actual danger.

Specific Object

An item or thing that is uniquely identified or distinguished from others, often referred to in a precise or particular context.

Munchausen Syndrome

A psychiatric disorder where an individual repeatedly acts as if they have a physical or mental illness when they are not really sick.