Answer:
The correct option is B
Explanation:
From the question we are told that 
 The null hypothesis is 

 The alternative hypothesis is 

 The p-value is 

 The level of significance is 

 
From the given values 
 so we fail to reject the null hypothesis
 so we fail to reject the null hypothesis 
So there is NOT sufficient evidence to conclude the proportion of work time linguists study a new language is more than 10%.