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Business, 11.06.2020 03:57 KhloodAhmed

The table gives a number of daily sales of cars by a local dealership, from a 0 minimum to a 6 maximum, and the number of days each sale happened during a 100 - day survey. That is. 0 cars were sold 6 days, 1 car 8 days, etc. Car sales per day, X 0 1 2 3 4 5 6
Number of days 6 8 22 20 15 16 13
A) Give the probability density function of X.
B) Compute the expected value of A". Explain its meaning.
C) Compute the variance and standard deviation of X.
D) Find the expected value and variance of a function Y = 5 + 12X.

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