You Want to See If the Number of Minutes Cell $\mathrm { H } _ { 0 }$

question 87

Multiple Choice

You want to see if the number of minutes cell phone users use each month has changed from its mean of 120 minutes 2 years ago.You take a random sample of 100 cell phone users and find an average of 135 minutes used.

• A) \(\mathrm { H } _ { 0 }\) : ? = 135 \(\mathrm { H } _ { \mathrm { A } }\) : ? > 135
• B) \(\mathrm { H } _ { 0 }\) : ? = 120 \(\mathrm { H } _ { \mathrm { A } }\) : ? > 120
• C) \(\mathrm { H } _ { 0 }\) : ? = 120 \(\mathrm { H } _ { \mathrm { A } }\) : ? ? 120
• D) \(\mathrm { H } _ { 0 }\) : ? = 120 \(\mathrm { H } _ { \mathrm { A } }\) : ? < 120
• E) \(\mathrm { H } _ { 0 }\) : ? = 135 \(\mathrm { H } _ { \mathrm { A } }\) : ? ? 135

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Definitions:

Survival Value

The extent to which a trait, behavior, or adaptation contributes to the survival and reproductive success of an organism.

Evolutionary Significance

The importance of traits, behaviors, or structures in terms of their contribution to an organism's survival and reproduction.

Negative Emotions

Unpleasant responses to potential threats or dangers, including subjective states like sadness, disgust, anger, guilt, and fear.

Fight or Flight

A physiological response to perceived threat or harm, preparing the body to either confront or avoid danger.