<span>Since one standard deviation is 20 luggages, 3 standard deviations above the mean is 3*20=60 luggages above the mean of 380 luggages, so 60+380 gives the answer C, 440.</span>
Answer:
$190 is the answer
minus $5 from $97.50 and add that number to $97.50
4:1 is the answer............
last one. because we don't have equality sign and it can't be the third one
