Question 10 (3 points) 40 randomly selected single people were asked how much they spend per month on groceries. The 40 people spent an average of $200 per month. The 90% confidence interval estimate of the true mean amount spent per month on groceries is $188 to $212. There is a 10% chance the margin of error (on the estimate of the true mean) is bigger than what value? O $212 $12 $24 $188 O $200 HI