Representative sample of 540 university students was surveyed to determine which of two attributes (Screen quality and Portability) matters the most when choosing a laptop for their studies. The degree of each student was also recorded. Data summaries are shown below.

	Laptop choice
	Bachelor of Actuarial Studies	Bachelor of Economics	Total
Screen quality	294	32	326
Portability	90	124	214
Total	384	156	540

(1 mark) What is the expected value of Bachelor of Actuarial Studies students who think the Screen quality is the most important factor? = Answer (3dp)

(1 mark) What is the contribution to the Chi-squared test statistic for Bachelor of Economics students who think Portability is the primary factor to consider? = Answer (3dp)