There is a construction zone on the highway. The speeds of vehicles passing through this construction zone are normally distributed with a mean of 49 mph and a standard deviation of 4 mph. Suppose that you want to make a speed limit such that only about 10% of the vehicles passing through this zone exceed the speed limit. What should the speed limit (rounded to the nearest integer) ?

Grace is a 70-year old woman who paid the utility bill online for the first time. she called her bank's customer service center to make sure she had done the transaction successfully. but the voice recording repeatedly played a message that all representatives were busy, which irked grace. which factor would make grace not recommend the bank to others? a. absence of technology b. lack of accessibility c. lack of financial products d. poor reputation