
Stats Unit 3 Practice Test
Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
+3
Standards-aligned
Scott Llorens
Used 5+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
X = the number of calculators a student personally owns. What is the standard deviation?
0.768
0.59
1.1
1.59
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
An algebra 2 test has 6 multiple choice questions with four choices with one correct answer each. If we just randomly guess on each of the 6 questions, what is the probability that you get exactly 3 questions correct?
.962
.132
.0831
.25
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
According to AccuData Media Research, 36% of televisions within the Chicago city limits are tuned to "Eyewitness News" is 5:00 PM on Sunday nights. At 5:00 PM on a given Sunday, 2500 such televisions are randomly selected and check to determine what is being watched. Would it be unusual to find that 898 of the 2500 televisions are tuned to "Eyewitness News"?
Yes
No
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Salmi receives 4 emails in a week on average. Find the probability of receiving 8 emails for the next 2 weeks.
0.0511
0.0297
0.5470
0.1395
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Is this a probability distribution?
Tags
CCSS.HSS.MD.A.3
CCSS.HSS.MD.A.4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Is this a probability distribution?
Tags
CCSS.HSS.MD.A.3
CCSS.HSS.MD.A.4
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A student group sells 500 raffle tickets for $2 each. At the drawing the top prize will be a gift certificate for $100. Second prize will be a $50 gift card and there will be five 3rd prizes, each a $20 gift card. What is the expected value of a ticket (from the perspective of the ticket buyer)?
lose an average of $5.53
lose an average of $1.58
win an average of $2.05
lose an average of $10.00
Tags
CCSS.HSS.MD.B.5A
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