Mathematics, 05.11.2021 07:50 Bjehnsen3720

Currently, 12.3% of seniors at ABC High School have an unexcused absence at the end of the year. They have just finished a trial with 90 random seniors who used a new self-accountability system.
Of those seniors, 14 had unexcused absences at the end of the year. Use a hypothesis test using critical
region and a level of significance of 0.05 to determine if there is sufficient evidence to conclude that the
rate of unexcused absences has changed.

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Currently, 12.3% of seniors at ABC High School have an unexcused absence at the end of the year. T...