A box has 25 yellow balls and 30 green balls. You randomly select 7 balls from the box.
Find:
Flag question: Question 21
Question 21 8 pts
P(you select exactly 5 yellow balls) =
Group of answer choices
0.313
0.114
1 in 302,575,350
0.07
Flag question: Question 22
Question 22 8 pts
P(you select 0 yellow balls) =
Group of answer choices
0.25
0.723
0.807
0.01
0.113
Flag question: Spacer
Here is the regression line and coefficient of determination obtained from a certain scatter plot:
y = -1.1x + 7.1
r2 = 0.53
Flag question: Question 23
Question 23 8 pts
If x = 0, predict Y =
Group of answer choices
-1.1
14.6
0
7.1
Flag question: Question 24
Question 24 8 pts
If x = 2, predict y =
Group of answer choices
6.2
5.2
1.8
4.9
Flag question: Question 25
Question 25 8 pts
correlation coefficient r =
Group of answer choices
0.73
0.88
0.53