Answer:
7
Step-by-step explanation:
absolute value of 7 is 7
Since the order is (x,y) it would be..
A translation by 5 units right.
Answer:11
Step-by-step explanation:
The 85th percentile is the cutoff time

such that

In other words, the 85th percentile refers to the time needed to belong to the top 15% of the distribution; more generally, the

percentile is the top

of the distribution.
Anyway, to find this value of

, transform

to a random variable

with the standard normal distribution using

where

is the mean of

and

is the standard deviation of

.

Here

is used to denote the z-score corresponding to the cutoff time

. Referring to a z-score table, you find that this occurs for

. So,
Mel - So this is purely in theory, right?
If you were my kid, I'd ask you how much the shoes were. I actually ask myself a similar question when I get asked to buy a combo- if I want a burger and drink, they'll ask if I want fries. It would literally cost me like .10 for the fries. I won't eat them but I can give them to a student or something so, sure, I'll get the combo.
Does that make any kind of sense?