<span>Last
year, the average math SAT score for students at one school was 475. The
headmaster then introduced a new teaching method hoping to improve scores. This
year, the mean math SAT score for a sample of students was 491. The headmaster
concluded that the new teaching method produces higher SAT scores. The problem
with reporting results this way is voluntary response. The information of how
the teaching method isnot mentioned.</span>
Answer:
its c
Step-by-step explanation:
mark brainlist
Answer:
77%
Step-by-step explanation:
Since the chance of it happening is 22%, the chance of it not happening is 88%.
To find the probability that none will have it, we have to multiply the probabilities together:
0.88(0.88) = 0.7744 or 77%
<span>d = a/b - c I think so so so</span>
Aerobic, it uses oxygen for a longer period of time.