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Mnenie [13.5K]
2 years ago
13

I need help simplifying this. giving brainliest as well if u help

Mathematics
1 answer:
Fofino [41]2 years ago
4 0

Answer:

19x−47

Step-by-step explanation:

19x+−25+21+−43

You gotta combine the like terms

(19x)+(−25+21+−43)

19x+−47

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3 years ago
Given that z is a standard normal random variable, find z for each situation. The area to the right of z is .1314. (Round to two
Mumz [18]

Answer:

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We can use the following excel code: "=1-NORM.DIST(0.1314,0,1,TRUE)"  or the standard normal table

P(Z

We can use the following excel code: "=NORM.DIST(0.75,0,1,TRUE)"  or the standard normal table.

P(Z>0.01) = 1-P(Z

We can use the following excel code: "=1-NORM.DIST(0.01,0,1,TRUE)"  or the standard normal table

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

P(Z>0.1314) = 1-P(Z

We can use the following excel code: "=1-NORM.DIST(0.1314,0,1,TRUE)"  or the standard normal table

P(Z

We can use the following excel code: "=NORM.DIST(0.75,0,1,TRUE)"  or the standard normal table.

P(Z>0.01) = 1-P(Z

We can use the following excel code: "=1-NORM.DIST(0.01,0,1,TRUE)"  or the standard normal table

6 0
3 years ago
Please help!!! I’m really confused can someone explain 8 and 9
alexgriva [62]

Answer:

8.=150 9.=200

Step-by-step explanation:

7 0
3 years ago
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