Prob & Stat Unit 2 Quiz
Authored by Pamela Lohmuller
Mathematics
9th - 12th Grade
CCSS covered
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11 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What is a z-score?
Evaluate responses using AI:
OFF
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If I tell you that you scored at the 55th percentile on your final exam, you would know:
55% of the class scored the same or worse than you did
You earned a 55% on the exam
You failed the exam
45% of the class scored worse than you did
55% of the class scored the same or better than you did
Tags
CCSS.HSS.IC.A.1
3.
MATH RESPONSE QUESTION
2 mins • 1 pt
Suppose a data set is represented by a normal distribution with a mean of 10 and a standard deviation of 2.
What is z-score for a data value of 17?
Mathematical Equivalence
ON
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Between what two standard deviations of a normal distribution contain 68% of the data?
-1 and 1
-2 and 2
-2 and 0
0 and 2
Tags
CCSS.HSS.ID.A.4
5.
MATH RESPONSE QUESTION
2 mins • 1 pt
The 40 yards sprint times for a soccer team are found to be normally distributed with a mean of 5.2 seconds and a standard deviation of 0.3 seconds. What is the z-score for a player who runs a time of 5.6 seconds?
Round to the hundredths place.
Mathematical Equivalence
ON
Tags
CCSS.HSS.ID.A.4
6.
MATH RESPONSE QUESTION
2 mins • 1 pt
The mean number of accidents a week at a company is 6.4 with a standard deviation of 1.5. What proportion of weeks would you expect to have less than 5 accidents?
Answer this question using the standard normal table. Show your work.
Mathematical Equivalence
ON
7.
MATH RESPONSE QUESTION
2 mins • 1 pt
The scoring of modern IQ is such that Intelligence Quotients (IQs) have a normal distribution of μ= 100 and 𝞂 = 15.
Mensa International is a non-profit organization that accepts only people with IQ score within the top 2%. What level of IQ qualifies one to be a member of Mensa?
Mathematical Equivalence
ON
Tags
CCSS.HSS.ID.A.4
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