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Otrada [13]
3 years ago
6

HELP ME SOON PLEASE!!! All you have to do is sort the terms.

Mathematics
1 answer:
Lyrx [107]3 years ago
7 0

Step-by-step explanation:

Non examples are:

y= 1/2 x - 3

y = x - 2

x = 6y

Examples are:

5x - 3y = 9

2x + 3y = 0

x + y = 1

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2 years ago
Y is a random variable that is distributed N(-16, 1.21). Find k such that Prob(-15.043 < Y ≤ k) = 0.1546. (Round your answer
IgorLugansk [536]

Transform <em>Y</em> to <em>Z</em>, which is distributed N(0, 1), using the formula

<em>Y</em> = <em>µ</em> + <em>σZ</em>

where <em>µ</em> = -16 and <em>σ</em> = 1.21.

Pr[-15.043 < <em>Y</em> ≤ <em>k</em>] = 0.1546

Pr[(-15.043 + 16)/1.21 < (<em>Y</em> + 16)/1.21 ≤ (<em>k</em> + 16)/1.21] = 0.1546

Pr[0.791 < <em>Z</em> ≤ (<em>k</em> + 16)/1.21] ≈ 0.1546

Pr[<em>Z</em> ≤ (<em>k</em> + 16)/1.21] - Pr[<em>Z</em> < 0.791] = 0.1546

Pr[<em>Z</em> ≤ (<em>k</em> + 16)/1.21] = 0.1546 + Pr[<em>Z</em> < 0.791]

Pr[<em>Z</em> ≤ (<em>k</em> + 16)/1.21] ≈ 0.1546 + 0.786

Pr[<em>Z</em> ≤ (<em>k</em> + 16)/1.21] ≈ 0.940

Take the inverse CDF of both sides (<em>Φ(x)</em> denotes the CDF itself):

(<em>k</em> + 16)/1.21 ≈ <em>Φ⁻¹</em> (0.940) ≈ 1.556

Solve for <em>k</em> :

<em>k</em> + 16 = 1.21 • 1.556

<em>k</em> ≈ -14.118

8 0
3 years ago
joe saved up 25 his mother gave him an additional 20 he boua movie that cost 15 how much money dose joe have left
alina1380 [7]

Answer: 30

Step-by-step explanation: Before Joe had $45 in total, He then spent it on a movie which is $15. So $45-$15=30

4 0
2 years ago
Read 2 more answers
Solve for a.
lesya692 [45]
I am 100% sure that A equals -2.3
3 0
3 years ago
Read 2 more answers
Somebody help me please
maxonik [38]

-61

Hope this helps :)

8 0
2 years ago
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