41% of students ran in 12 minutes or less.
Using the histogram we see that there were 2+12+11+9=34 students that ran. Out of those, 2+12=14 ran in 12 minutes or less (the first two bars).
14/34 = 0.411 = 41%.
Answer:
a. P-value=0.421
b. not significant
Step-by-step explanation:
check attachment for further details
4x5-(2 (2) - 2 ) = 14
(18/ 3) + (3 (2) - 7) 8
Answer:
n=-1
Step-by-step explanation:
First you add 5 to both sides an you would get -15n=15
Next divide by -15 on both sides and get n=-1
