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6.1 Discrete and Continuous Random Variables - Probability and Statistics Flashcards | StudBud
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6.1 Discrete and Continuous Random Variables - Probability and Statistics
6.1 Discrete and Continuous Random Variables - Probability and Statistics
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1
Discrete or Continuous:
The speed of a race car in mph
Continuous
Discrete
Neither
Discript
2
Find the expected value for number of orders per week
40 orders
35.9 orders
43.21 orders
44.61 orders
3
What's the probability that a person has more than 3 credit cards?
.11
.08
.03
.18
4
Find the Standard Deviation
2.7
1.73
1.98
.87
5
Discrete or Continuous: The amount of winnings from the TN lottery on a given day
Discrete
Random
Probability
Continuous
6
Discrete or Continuous: The number of cups of coffee that Ms. Geoffroy drinks each day
Continous
Random
Discrete
Probability
7
Which probability notation represents "at least 2"
P(X< 2)
P(X≤ 2)
P(X ≥ 2)
P(X= 2)
8
Find the variance:
2.99
.98
3.98
1.99
9
Do you use a density curve or histogram when X = time it takes to run a mile?
Random
HIstogram
Density Curve
Continuous
10
Do you use a density curve or histogram when X = number of math majors per year at CSU?
Discrete
Continuous
Histogram
Density Curve
