
Stats & Probability Review 1
Quiz
•
Mathematics
•
7th Grade
•
Hard
Standards-aligned
Used 14+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Cards numbered 1 through 25 are placed in a hat. If a student selects 1 card at random, what is the probability the card is 1 digit?
0.26
0.36
0.40
0.60
0.09
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
15. A teacher wants to find out what incentive seventh-grade students prefer. Which group is the most representative of the population of interest?
all the students in the middle school
all the seventh-grade students in the robotics club
every sixth student to walk into the middle school one morning
six randomly selected students from each seventh-grade class
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which event is most likely to occur?
tossing a fair coin and landing on heads
spinning a 3 on a spinner divided into 4 equal sections numbered 1 through 4
picking a red marble from a bag of marbles that contains 3 blue, 4 red, and 2 green marbles
rolling a number cube that has sides numbered 1 through 6 and landing on a number less than 5
Tags
CCSS.7.SP.C.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jamie spun a colored spinner 20 times. The results of her spins are shown in the frequency table. Based on the data in the table, how many times would you expect the spinner to land on green if Jamie spun the spinner 400 times?
20 times
67 times
80 times
100 times
Tags
CCSS.7.SP.C.6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Raul has a fair coin and a spinner divided into four congruent sections labeled A, B, C, and D. Raul will toss the coin once and then spin the spinner. Which tree diagram correctly shows all the possible outcomes?
Tags
CCSS.7.SP.C.8B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
32. A couple has three girls, and a fourth child is due soon. The doctor says the probability of the child being a girl is 0.5.
Which statement about the likelihood of the child being a boy is true?
It is certain the child will be a boy.
It is neither unlikely nor likely the child will be a boy.
It is very likely the child will be a boy.
It is very unlikely the child will be a boy.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
27. Consider the boxplots. Based on the data, which statement is true?
Game scores are generally higher in Period 1 than in Period 2 because the mean game score in Period 1 must be larger than the mean game score in Period 2.
Game scores are generally higher in Period 2 than in Period 1 because the mean game score in Period 2 must be larger than the mean game score in Period 1.
The majority of game scores are higher in Period 1 than in Period 2 because the median game score in Period 1 is larger than the median game score in Period 2.
The majority of game scores are higher in Period 2 than in Period 1 because the median game score in Period 2 is larger than the median game score in Period 1.
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