Statistics and Probability
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Anthony Clark
FREE Resource
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11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose you toss a coin several times and record the results. Out of 20 trials, you got tails 11 times. How does this compare to the theoretical probability?
more often
less often
exactly the same
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The results for a survey of 120 students who were selected randomly are listed below: 60 students have a cell phone plan with company X, 36 students have a plan with company Y, 24 students do not have a cell phone. The total population of students was 380. Based on the data, what is the best approximation for the total number of students who have a cell phone plan with company Y?
114
127
143
163
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This board game spinner is divided into sections of equal size. What is a reasonable estimate of the number of times the spinner will land on a section labeled 5 over the course of 150 spins?
2
20
30
50
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hilda has a fair number pyramid with four faces (numbered 1-4) and a spinner with three equal-sized colored sections (red, blue, green). What is the probability that the number pyramid will land on three AND the spinner will stop on blue?
1/12
3/12
4/12
7/12
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A coin is tossed and a fair die is rolled. Find P(heads, greater than 3).
1/6
1/4
5/6
4/5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You roll a fair number cube. What is the probability of getting a 2 or a 5?
1/6
2/6
3/6
4/6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the IQR of this data set?
470
320
160
100
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