Outcome Number of times outcome occurre
The table shows the results of rolling a number cube with sides
labeled 1 through 6 several times.
1
10
What is the experimental probability of rolling a 3 or a 6?
2
6
Enter your answer as a fraction in simplest form in the box.
3
4
4
8
5
6
Basic
6
6
7
8
9
X
у
x
4
5
6
X
x=
xD
X
1
2
3
+
$
0
%

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.