{4 points] Speeding on the I-5. Suppose the distribution of passenger vehicle speeds traveling on the Interstate 5 Freewav {I-} in California is nearly normal with a mean of ?2 mllesfhour and a standard deviation of 4 milesl'hour. Fiound all answers to two decimal places. 'I . IWhat proportion of passenger vehicles travel slower than T3 mllasfhour? 2. .What proportion of passenger vehicles travel between ?3 and till milesfhour'? 3. How fast do the fastest 14% of passenger vehicles travel? milesfhour 4. Suppose the speed limit on this stretch of the I-5 is 55 mllesfhour. Approximately what proportion of the passenger vehicles travel above the speed limit on this stretch of the I-5'