Suppose the sample space for a continuous random variable is 0 to 40. If the area under the density curve for the variable from 0 to 6 is 0.15, what is the
area under the density curve from 6 to 40?

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square