Swimming Average Narrative Historically, the Average Time It Takes Jessica to Swim the to Swim

question 44

Essay

Swimming Average Narrative
Historically, the average time it takes Jessica to swim the 200 m butterfly is 148.4 seconds. Jessica would like to know if her average time has changed. She records her time on 50 randomly selected occasions and computes the mean to be 147.8 seconds with a standard deviation of 2.3 seconds.
-Refer to Swimming Average Narrative. Compute the power of the test if Jessica's actual mean swimming time is 147.3 seconds. Interpret the results.

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Definitions:

Gilberto

A personal name of Italian or Portuguese origin, potentially referring to notable individuals in various fields.

Trumpet

A brass wind instrument with a flared bell and a bright, penetrating tone, played by blowing air through closed lips.

Pyrotechnics

The art or use of firework displays or explosive devices for entertainment, military, or industrial purposes.

Fireworks

Pyrotechnic devices used for entertainment purposes that explode in the sky to produce colorful patterns and effects, commonly used in celebrations.