Random Variables
10th - 12th Grade
•12 Qs
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Random Variables
Quiz
•
Mathematics
•
10th - 12th Grade
•
Hard
+5
Standards-aligned
Brian Mulcahy
Used 48+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
.88
.12
.78
.22
Tags
CCSS.HSS.CP.A.1
CCSS.HSS.MD.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1.67
1.077
2.0
1.41
Tags
CCSS.HSS.MD.A.2
CCSS.HSS.MD.A.3
CCSS.HSS.MD.B.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1.67
1.0775
1.581
1.414
Tags
CCSS.HSS.ID.A.4
CCSS.HSS.MD.A.2
CCSS.HSS.MD.A.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
.22
.64
.36
.78
Tags
CCSS.HSS.MD.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
.21
.79
.64
.89
Tags
CCSS.HSS.CP.A.1
CCSS.HSS.CP.B.7
CCSS.HSS.MD.A.1
CCSS.HSS.MD.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The mean amount of time to mix the batter for a cake is 14 minutes with a standard deviation of 2.5 minutes. The mean amount of time to bake the cake is 35 minutes with a standard deviation of 6.2 minutes. What is the mean time to make and bake a cake? What is the standard deviation?
mean = 49 min sd = 8.7 min
mean = 49 min sd = 6.685 min
mean = 21 min sd = 8.7 min
mean = 21 min sd = 6.685 min
Tags
CCSS.HSS.ID.A.2
CCSS.HSS.MD.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The mean hourly salary for a high school graduate is $13.50 per hour with a standard deviation of $5.75. The mean hourly salary for a person with an Associate's degree is $19.75 with a standard deviation of $9.25. What is expected difference in the hourly salaries between a high school graduate and a person who earned an Associate's degree?
$33.25
$-3.50
$-6.25
$15.00
Tags
CCSS.HSS.ID.A.2
CCSS.HSS.MD.A.2
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