Assume That 15% of Students at a University Wear Contact

question 18

Multiple Choice

Assume that 15% of students at a university wear contact lenses.We randomly pick 200 students.What is the probability that more than 16% of this sample wear contact lenses?

• A)0.309
• B)0.397
• C)0.654
• D)0.346
• E)0.692

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Definitions:

Exponential Expression

A mathematical phrase where numbers or variables are raised to a power or exponent.

Associative Property

A mathematical rule stating that the way in which numbers are grouped in operations does not change their result.

Multiplication

A mathematical operation where a number is added to itself a certain number of times.

Decimal Places

The number of digits to the right of the decimal point in a number, determining its precision.