Aman bought an old car for $1,10,000. he spent an additional 15% of the cost of repairs. find the total cost of the car including repairs.
a) $1,46,500
b) $1,26,500
c) $1,10,500
d) $1,36,500

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).