2. A shipment of 7 television sets contain 2 defective sets. A hotel makes a random purchase of 3 of the sets. If x is the number of defective sets purchased by the hotel, find the probability distribution of X.

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AS3. NO2. DATA ANALYSIS

2. A shipment of 7 television sets contain 2 defective sets. A hotel makes a random
purchase of 3 of the sets. If x is the number of defective sets purchased by the hotel,
find the probability distribution of X.
3. Find the mean and variance of the random variable using the values in the table below.
1
2
f(x)
0.25
0.5
0.25
Transcribed Image Text:2. A shipment of 7 television sets contain 2 defective sets. A hotel makes a random purchase of 3 of the sets. If x is the number of defective sets purchased by the hotel, find the probability distribution of X. 3. Find the mean and variance of the random variable using the values in the table below. 1 2 f(x) 0.25 0.5 0.25
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