Discrete Random Variables A clothing store has 4 changing rooms. You and a friend decide to do some shopping at the clothing store on a Thursday at noon. You each find items you wish to try on. Let x be the random number of open or unoccupied changing rooms on a typical weekday at noon. Suppose the table below gives the probability distribution of

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Discrete Random Variables A clothing store has 4 changing rooms. You and a friend decide to do some shopping at the clothing store on a Thursday at noon. You each find items you wish to try on. Let

x

be the random number of open or unoccupied changing rooms on a typical weekday at noon. Suppose the table below gives the probability distribution of

x

. \table[[Value of

x

,0,1,2,3,4],[Probability,0.05,0.10,0.25,0.40,0.20]] 3 0.7 points What is the chance that you and your friend will both get separate changing rooms without either of you having to wait? Since the values of

x

which require no waiting for either you or your friend are all 2 or more, we seek:

P(x>=2)

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