Answer:
X < 9
The hallow circle means just greater than or less than
The numberline is pointing downwards showing that 9 is greater than x(unknown value)
The point is also on 9
For the answer to the question above asking i<span>f the variance of the ages of the people who attended a rock concert is 22, what is the standard deviation of the ages?
The answer is sqrt of 22
which is </span><span>4.69041575982 or 4.69
I hope my answer helped you.</span>
Answer: The domain has to be x and the range y. But for independent and dependent variable I can't help. So srry. The picture doesn't show the work. Have a nice day :)
Z = (x - mu)/sigma
z = (6.19 - 3.77)/3.39
z = 0.71386430678467
z = 0.71
The approximate z score, rounded to two decimal places, is 0.71
