BTS 2 Lois de probabilités discrètes et continues

BTS 2 Lois de probabilités discrètes et continues

University

20 Qs

quiz-placeholder

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BTS 2 Lois de probabilités discrètes et continues

BTS 2 Lois de probabilités discrètes et continues

Assessment

Quiz

Mathematics

University

Medium

Created by

Olivier Delhaye

Used 1+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

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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