A, a testable prediction about the relationship between variables
$2,653.60 would be the total cost with tax and the tax is $173.60
Can I see the picture it’s blurry
Answer:
68% of exam scores lie within one std. dev. of the mean
Step-by-step explanation:
Because the standard deviation is 100, one standard deviation above the mean comes out to 600. Likewise, one std. dev. below the mean comes out to 400. By the Empirical Rule, 68% of exam scores lie within one std. dev. of the mean.