QUESTION 15 Suppose that the number of cars X that pass through a car wash between 1:00 P.M. and 2:00 P.M. on any Saturday has the following probability distribution: 4 8 1/12 1/12 f(x) The mean of the total number of cars to be washed on any Saturday during this particular period is: 1/4 1/4 1/6 1/6 а. 4.8 b. 5.8 C. 6.8 d. 7.8

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If a random variable has a probability density function given by f(x) = 7 for 4.9 sx55.1. Then the distribution function of X over the range 4.93x<5.1 is
given by:
a. 4.9x - 7
b. 7x - 34.3
C. 0
d. 1
QUESTION 15
Suppose that the number of cars X that pass through a car wash between 1:00 P.M. and 2:00 P.M. on any Saturday has the following probability
distribution:
X
4
6
1/12
1/12
1/6
1/6
f(x)
The mean of the total number of cars to be washed on any Saturday during this particular period is:
1/4
1/4
a. 4.8
b. 5.8
C. 6.8
d. 7.8
Transcribed Image Text:If a random variable has a probability density function given by f(x) = 7 for 4.9 sx55.1. Then the distribution function of X over the range 4.93x<5.1 is given by: a. 4.9x - 7 b. 7x - 34.3 C. 0 d. 1 QUESTION 15 Suppose that the number of cars X that pass through a car wash between 1:00 P.M. and 2:00 P.M. on any Saturday has the following probability distribution: X 4 6 1/12 1/12 1/6 1/6 f(x) The mean of the total number of cars to be washed on any Saturday during this particular period is: 1/4 1/4 a. 4.8 b. 5.8 C. 6.8 d. 7.8
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