Marty is a principal who needs to contact the highest performing 15% of students in his school’s current graduating class about an opportunity to join the school’s academic honor society. At his school, students’ grade point averages is a normally distributed variable. Marty should contact students who have a grade point average that correspond with a z-score greater than or equal to _____. A. z = +1.04. B. z = +0.25. C. z = –1.04. D. z = –0.25.
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
Marty is a principal who needs to contact the highest performing 15% of students in his school’s current graduating class about an opportunity to join the school’s academic honor society. At his school, students’ grade point averages is a
- A. z = +1.04.
- B. z = +0.25.
- C. z = –1.04.
- D. z = –0.25.
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