6.222 is bigger because of itsplacevalue!!
The average score is 500 points and the standard deviation is 50 points.Mean - 2 SD = 500 - 2 * 50 = 500 - 100 = 400It means that more than 400 on the standardized test is more than: Mean - 2 Standard deviations.For the Normal distribution: 100% - 2.5 % = 97.5% = 0.975.Answer: The probability that student scores more than 400 points is 0.975.
Is there supposed to be a graph or another picture? I do not see anything.
It would be .5x-5= because it says 5 less so it would be subtract 5 from half of x.
Answer:
x = 11
z = 104
Step-by-step explanation:
opp angles are equal & sum of angles at apoint, will help next time.