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Independent Events Probability problems

May 1, 2019 / Leave a comment

Independent Events Probability example question

Two independent events have P(A) = P(B) = 0.3. What is the P(A  B)?

a)  0.09

b)  0.91

c)  0.49

d)  0.51

e)  0.6

f)  none of the above

 

Solution to this Independent Events Probability practice problem is given in the video below!


Independent Events Probability example problem

For two independent events we know that P(A) = 0.7 and P(A  B) = 0.21. What is P(B)?

a)  0.7

b)  0.6

c)  0.5

d)  0.4

e)  0.3

f)  none of the above

 

Solution to this Independent Events Probability practice problem is given in the video below!


Independent Events Probability example

A car of brand X has a transmission which fails with probability 0.6 and brakes which fail with probability 0.3; the two kinds of failures occur independently. At any given day, what is the probability that exactly one of the failures occurs while driving the car of brand X?

a)  0.72

b)  0.28

c)  0.46

d)  0.54

e)  0.90

f)  none of the above

 

Solution to this Independent Events Probability practice problem is given in the video below!





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