The Percentage of Complete Passes Is an Important Measure for a Quarterback

question 56

Essay

The percentage of complete passes is an important measure for a quarterback in the NFL. A particular quarterback has a career completion percentage of 55%. The quarterback got a new coach and then played a few games where he completed 48 of 100 passes.
A) Specify the null and alternative hypotheses to determine whether the proportion of completed passes has decreased with the new coach.
B) Calculate the value of the test statistic and the p-value.
C) At the 5% significance level, can you conclude that the quarterback's completion percentage has decreased?

• A) Specify the null and alternative hypotheses to determine whether the proportion of completed passes has decreased with the new coach.
• B) Calculate the value of the test statistic and the p-value.
• C) At the 5% significance level, can you conclude that the quarterback's completion percentage has decreased?

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Definitions:

Passive Voice

A grammatical construction where the subject of a sentence is the recipient of an action rather than the performer.

Credibility

The quality of being trusted and believed in, often based on a reputation for honesty and reliability.

Potential Customers

Individuals or entities that are considered likely candidates to purchase a company's products or services but have not yet done so.

Business Communications

The exchange of data among individuals both inside and outside a company in a formal environment.