Suzie Has Installed a New Spam Blocker Program on Her $\mathrm { H } _ { 0 }$

question 8

Multiple Choice

Suzie has installed a new spam blocker program on her email.She used to receive an average of 20 spam emails a day.Is the new program working?

• A) \(\mathrm { H } _ { 0 }\) : ? = 20 \(\mathrm { H } _ { \mathrm { A } }\) : ? < 20
• B) \(\mathrm { H } _ { 0 }\) : ? = 20 \(\mathrm { H } _ { \mathrm { A } }\) : ? ? 20
• C) \(\mathrm { H } _ { 0 }\) : ? = 20 \(\mathrm { H } _ { \mathrm { A } }\) : ? > 20
• D) \(\mathrm { H } _ { 0 }\) : ? > 20 \(\mathrm { H } _ { \mathrm { A } }\) : ? = 20
• E)Not enough information is given.

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Definitions:

Multiple Logistic Regression

A statistical technique that models the probability of a certain outcome or event based on more than one independent variable.

Explanatory Variables

Variables in a statistical model that are believed to explain or influence changes in a response variable.

Standard Deviation

A measure of the dispersion or variability within a set of data points, indicating how spread out the values are from the mean.

Sample Mean

The average value of a sample set of numbers, used as an estimator of the population mean in statistical analysis.