Question

In a​ driver-side "star" scoring system for​ crash-testing new​ cars, each​ crash-tested car is given a rating ranging from one star to five​ stars; the more stars in the​ rating, the better is the level of crash protection in a​ head-on collision. A summary of the​driver-side star ratings for 98 cars is reproduced in the accompanying table. Assume that 1 of the 98 cars is selected at​ random, and let x equal the number of stars in the​car's driver-side star rating. Complete parts a through d.

Rating Count Percent

2 5 . 5.10

3 . 16. 16.33

4 54 55.10

5 23 23.47

N= . 98

Click the icon to view the summary of the ratings.

a. Use the information in the summary to find the probability distribution for x. Complete the table below.

x	1 .	2	3	4	5
​p(x)			..	..

​(Round to four decimal places as​ needed.)

Answer 1

a. Use the information in the summary to find the probability distribution for x. Complete the table below.

Answer: