Answer:
The answer is -86
Step-by-step explanation:
-7 squared is 49
49 × 2 = 98
12-98= -86
A.
Since about 95% of a normal distribution falls within two standard deviations of the mean, that leaves 5% that lie without, with 2.5% lying to either side.
b.
About 68% of a normal distribution lies within one standard deviation of the mean, so this probability is about 0.68.
c. You're looking for
such that
Since
occurs for
, it follows that
So there's a probability of 0.10 for having a demand exceeding about 1328 pounds.
Answer:
$13
Step-by-step explanation:
First, find how much she put into the bank:
84 - 45 = $39
Then, multiply this by 2 to find how much she made, because this was half of the money she got:
39(2) = 78
Then, divide this by 6 to find how much she makes a day:
78/6 = 13
= $13
Answer My best guess is D
Step-by-step explanation:
Answer:
164.6
Step-by-step explanation: i'm a human calculator