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Gennadij [26K]
3 years ago
6

Ethan once heard that wearing colorful socks helped release your positive energy toward others. Being the scientist that he is,

he decided to put the claim to the test by running a well-designed study. He had 18 people wearing colorful socks at an auditorium where the rest of the people were wearing white socks. After carefully designing, collecting, and analyzing his data, he found no statistically significant difference between his sample of 18 participants and the rest of the population he studied regarding positive energy. What should Ethan conclude regarding the null hypothesis
Mathematics
1 answer:
Advocard [28]3 years ago
5 0

Answer:

The answer is "Choice A".

Step-by-step explanation:

Please find the complete question in the attachment file.

Throughout this question by acceptance of its zero hypotheses becomes equal to "the failure to accept the zero hypotheses." Its best answer is to refuse the null hypothesis or conclude how he had no effects on vibrant socks mostly on basis of this study, that's why the above given choice is correct.

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How many positive four-digit integer palindromes have 12 as the sum of the digits of the number?
Sindrei [870]
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2+4+4+2=12

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3+3+3+3=12

1551
1+5+5+1=12

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4+2+2+4=12

5115
5+1+1+5=12

6006
6+0+0+6=12

The answer is 6
8 0
3 years ago
Rita works 1234 hours in her first week at a new job. She works 1514 hours in the second week. How many more hours does Rita wor
Sphinxa [80]

Answer:

280

Step-by-step explanation:

1514-1234 = 280

8 0
3 years ago
$13,000 was borrowed from two sources, one that charges 15% simple interest and the other that charges 10% simple interest. If t
guajiro [1.7K]

9514 1404 393

Answer:

  • $9,000 at 15%
  • $4,000 at 10%

Step-by-step explanation:

Let x represent the amount borrowed at 15%. Then the amount borrowed at 10% is (13000-x). The interest at the end of the year is ...

  0.15(x) + 0.10(13000 -x) = 1750

  0.05x = 1750 -1300 . . . . . . . . . . . . simplify, subtract 1300

  x = 450(20) = 9000 . . . . . . . . . . multiply by 20

$9,000 was borrowed at 15%; $4,000 was borrowed at 10%.

5 0
3 years ago
Evan drew 8 pictures. Alexa drew p fewer pictures than Evan. Write an expression that shows how many pictures Alexa drew.
zhenek [66]

Answer:

8 - p

Step-by-step explanation:

X is p fewer than Y … X = Y - P

3 0
2 years ago
What is the image point of (5, -2) after a translation left 6 units and down 7 units?
myrzilka [38]

Answer:

(-1,-9)

Step-by-step explanation:

(5,-2)

-5 -4 -3 -2 <em><u>-1</u></em> 0 1 2 3 4 <u>5</u>

starting at 5, move 6 units to the left, your new x-coordinate is -1

<u>-2</u>

-3

-4

-5

-6

-7

-8

<em><u>-9</u></em>

starting at -2, move 7 units down, your new y-coordinate is -9

The new point after the translation will be (-1,-9)

8 0
3 years ago
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