On a Multiple-Choice Exam for Which Each Question Has Four

question 47

Multiple Choice

On a multiple-choice exam for which each question has four possible answers,the probability of guessing the correct answer is p = 1/4.What is the mean of the binomial distribution for the number of correct guesses for a series of 100 questions?​

• A)​5
• B)​25
• C)​10
• D)​50

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Definitions:

API Gravity Degrees

A measure of how heavy or light a petroleum liquid is compared to water, used in the oil industry to characterize crude oil.

T-Table Values

Values found in a table that correspond to the T-Distribution, used for hypothesis testing in statistics, especially when the sample size is small and the population standard deviation is unknown.

Confidence Level

The probability that a confidence interval will capture the population parameter in repeated samples.

Simple Linear Regression

A mathematical technique that represents the association between a single independent variable and a dependent variable through a linear formula.