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Exhibit 10-1 Salary information regarding two independent random samples of male and female employees of a large company is shown below. Male Female Sample size 64 36 Sample mean salary (in $1000s) 44 41 Population variance 128 72 Refer to Exhibit 10-1. At 95% confidence, we have enough evidence to conclude that the a, salaries of males and females are equal O b. average salary of males is significantly greater than females c. average salary of males is significantly lower than females O d. null hypothesis fails to be rejected