AnswersConcepts in Probability and Statistics AProbability with Combinations and Permutations — Unit testQuestion 23
23
QuizMultiple Choice
Probability with Combinations and Permutations — Unit test
Question 23 • Concepts in Probability and Statistics A
A study reported that about half of high school seniors study for upcoming math tests. To find out if this applies to seniors at Garfield High School, an SRS of 30 seniors was asked if they study for their math tests. Nineteen responded "Yes.”A dotplot is provided showing the results of 40 trials of this simulation.
Answer
A
No, there is an outlier at 20.B
No, there were outcomes as low as 12.C
Yes, only one trial had a result of 19 or larger.D
Yes, more than half of the simulated results are over 15.