X suit une loi uniforme sur [30 ; 50]. La fonction de densité associée à pour expression :

BTS 2 Lois de probabilités discrètes et continues

Quiz
•
Mathematics
•
University
•
Medium

Olivier Delhaye
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
f(x)=1/20
f(x)=1/80
f(x)=1/40
f(x)=40
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
X suit une loi uniforme sur [30; 50]. p(35≤X<45)=
9/20
1/2
1/10
0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
X suit une loi uniforme sur [30; 50]. p(X=40)=
0
0,4
0,5
0,8
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
X suit une loi uniforme sur [30; 50]. p(X<35)=
1/4
0,175
3/4
0,35
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
X suit une loi uniforme sur [30; 50]. p(X≥37)=
18/20
37/20
7/20
13/20
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
X suit une loi uniforme sur [30; 50]. p(X>25)=
0
1/4
0,125
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
X suit une loi uniforme sur [30; 50]. L'espérance de X est
E(X)=40
E(X)=80
E(X)=20
E(X)=30
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