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Ipatiy [6.2K]
3 years ago
9

A hypothesis test is conducted with a significance level of 5%. The alternative hypothesis states that more than 65% of a popula

tion
Mathematics
1 answer:
mr_godi [17]3 years ago
8 0

Answer:

Not sure thats the whole question.

Step-by-step explanation:

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72/12 ghhsnjdjdjjdjbdbdbdbdbxb
aliina [53]
72 divided by 12 is 36
5 0
3 years ago
What is the value of i ^20+1?
matrenka [14]
Hey Mattchance666, 

    Lets solve this equation together,  

The question we are enquiring is : What is the value of i ^20+1?  

To solve this equation: we have to use the Power Reduction Rule. 

Where I^n=I{n mod 4}<span>

    </span>In this case: <span>I^20 = I^{5*4+0}=I^0</span>

1 + 1 = 2 

Hope this helps, 

    AnthrαX 
3 0
3 years ago
Read 2 more answers
Solve each polynomial equation.
spayn [35]

Answers:

15) x = 8, \frac{1}{3}, - \frac{2}{5}

16) x = 9, \frac{5+\sqrt{17}} {2}, \frac{5 -\sqrt{17}} {2}

17) x = 6, -\frac{3+i\sqrt{11}} {10}, -\frac{3-i\sqrt{11}} {10}

<u>Step-by-step explanation:</u>

15x³ - 119x² - 10x + 16 = 0

\frac{p}{q}: \frac{16}{15}:+/- \frac{1*2*4*8*16}{1*3*5*15}

So, the possible rational roots are: +/-   1, 2, 4, 8, 16,\frac{1}{3},\frac{2}{3},\frac{4}{3},\frac{8}{3},\frac{16}{3},\frac{1}{5},\frac{2}{5},\frac{4}{5},\frac{8}{5},\frac{16}{5},\frac{1}{15},\frac{2}{15},\frac{4}{15},\frac{8}{15},\frac{16}{15}

Use synthetic division with each one until you find a remainder of zero.  I am not going to go through each one because it is too time consuming, however, the first one that works is x = 8

(x - 8)(15x² + x - 2)    

Next, factor 15x² + x - 2 using any method

(x - 8)(3x - 1)(5x + 2)

Now, solve for x.

x = 8, x = \frac{1}{3}, x = -\frac{2}{5}

*******************************************************************

For #16 & 17, follow the same process as above.

7 0
3 years ago
Read 2 more answers
Can someone please help I’ll give you whatever points and mark u
rewona [7]

Answer:

what dose it say

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Lola purchased two pairs of shoes that each cost $20.00. She then purchased a pair of jeans for $14.50 and a shirt for $8.25. Wh
Oksana_A [137]

Answer:

62.75

Step-by-step explanation:

two pairs of shoes 20 each equals 40 bucks plus 14.50 equals 54.50 plus 8.25 equals 62.75

5 0
3 years ago
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