Answer:
You're correct.
Step-by-step explanation:
The Empirical Rule applies to a normal, bell-shaped curve and states that within one standard deviation of the mean (both left-side and right-side) there is about 68% of the data; within two standard deviations of the mean (both left-side and right-side) there is about 95% of the data; and within three standard deviations of the mean (both left-side and right-side) there is about 99.7% of the data. See display below from Section 3.3 Measures of Variation in the textbook.
Example: IQ Scores have a bell-shaped distribution with a mean of 100 and a standard deviation of 15. What percentage of IQ scores are between 70 and 130?
<span>Solution: </span>130 – 100 = 30 which is 2(15). Thus, 130 is 2 standard deviations to the right of the mean. 100 – 70 = 30 which is 2(15). Thus, 70 is 2 standard deviations to the left of the mean. Since 70 to 130 is within 2 standard deviations of the mean, we know that about 95% of the IQ scores would be between 70 and 130.
An exterior angle is equal to the sum of the 2 non adjacent angles. In this case
100 = x + 70 Subtract 70
x = 100 - 70
x = 30
Find comon factors
300m^2=2*2*3*5*5*m*m
120m=2*2*2*3*5*m
180=2*2*3*3*5
GCF=2*2*3*5=60
factor out 60
60(5m²+2m+3)
answer is last one
<span>I think these are the answers. I think you copied a few of the questions wrong.
x ≥ −8
</span><span>t ≤ −13
</span><span>x ≤ 2
</span><span>d > 0
</span><span>no solution</span>
