The average height of adult females is 64.4 inches, with a standard deviation of 2.3 inches and a normal distribution. rayna is 67.1 inches tall. what is the standardized score for rayna’s height?

a. -1.17
b. 1.17
c. -0.17
d. 0.17
e. unable to determine the standardized score

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.