The domain would have to be greater than or equal to 0, assuming x is the number of people attending. You can't have a negative number of people!
I think it’s 25???? i tried haha
Answer:
The region between one standard deviation from the mean is (400,600) which should be 68.27% of the data.
Step-by-step explanation:
The mean of this data set is 500 and the standard deviation is 100. The data that are within one standard deviation of the mean, must be in the range between 400 and 600, which according to the normal curve should be about 68.27% of the samples. The shaded region is shown in red on the attached figure.
Y=4 because it only has a y-intercept