METHODS AND APPLICATIONS 6.8 6.9 Recall from Example 6.5 that Sound City also sells the Clear Tone-400 satellite car radio. For this radio, histor- ical sales records over the last 100 weeks show 6 weeks with no radios sold, 30 weeks with one radio sold, 30 weeks with two radios sold, 20 weeks with three ra- dios sold, 10 weeks with four radios sold, and 4 weeks with five radios sold. Estimate and write out the prob- ability distribution of x, the number of ClearTone-400 radios sold at Sound City during a week. Use the estimated probability distribution in Exercise 6.8 to calculate x, 2 , and x. 6x