An observer has determined that the time headways between successive vehicles, on a section of highway, are exponentially distributed and that 65% of the headways between vehicles are 9 seconds or greater. if the observer decides to count traffic in 30-second time intervals, estimate the probability of the observer counting exactly four vehicles in an interval. (in decimal, round to the 4th decimal place)

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?