The random variable X represents the number of rooms per house in a city, with the following probability distribution. Find the expected number of rooms per house using the table below. 7 8. 9. p(x) 0.20 0.35 0.20 0.15 0.10 O 6.6 rooms per house O 5.0 rooms per house O 7.5 rooms per house O 4 rooms per house
The random variable X represents the number of rooms per house in a city, with the following probability distribution. Find the expected number of rooms per house using the table below. 7 8. 9. p(x) 0.20 0.35 0.20 0.15 0.10 O 6.6 rooms per house O 5.0 rooms per house O 7.5 rooms per house O 4 rooms per house
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
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Transcribed Image Text:QUESTION 37
The random variable X represents the number of rooms per house in a city, with the following probability distribution. Find the expected number of
rooms per house using the table below.
5.
7.
8.
p(x)
0.20
0.35
0.20
0.15
0.10
O 6.6 rooms per house
5.0 rooms per house
O 7.5 roomns house
per
O 4 rooms per house
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