In order to use a Normal model to represent the distribution of a data set, which of the following statements must be true?
OA.
The distribution of the data set must be bimodal and clearly non-symmetric.
OB.
The distribution of the data set must be unimodal and clearly non-symmetric.
C.
The distribution of the data set must be bimodal and roughly symmetric.
D.
The distribution of the data set must be unimodal and roughly symmetric.

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

Agroup of randomly selected apple valley high school students were asked to pick their favorite gym class. the table below shows the results of the survey. there are 528 students at apple valley high school. gym class number of students racquet sports 1 team sports 9 track and field 17 bowling 13 based on the data, what is the most reasonable estimate for the number of students at apple valley high school whose favorite gym class is bowling? choose 1 answer a. 9 b. 13 c. 119 d. 172

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?