Problem 4

Students collected data for their Elementary Statistics class project by asking every tenth Sierra College student that exited the cafeteria on the Rocklin campus the question "Which company manufactures their mobile phone?". The following sample results were obtained.

Apple, Apple, Samsung, Apple, LG, Apple, Apple, Samsung, Apple, Samsung, Apple, Motorola, Samsung, Apple, Apple, HTC, Samsung, Apple, Apple, LG, Samsung, Apple, HTC, Apple, LG, Samsung, Apple, Samsung, Motorola, Samsung, Motorola, Apple, Samsung, LG, Apple, Apple, Apple, LG, Samsung, Apple, Apple, HTC, Samsung, Motorola, Apple, Samsung

Estimate the percentage of Sierra College students that have a mobile phone manufactured by Motorola. Express the estimate both symbolically and verbally.