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WARRIOR [948]
4 years ago
8

Vanessa and Zack are playing a game where the player with the lower score wins. At the end of the game, Vanessa has a score of -

3 5/8 and Zack has a score of -3 2/3. Which statement explains who won?
Vanessa won. If you compare the decimal equivalents of their scores, -3.625 < -3.666.
Vanessa won. If you compare the decimal equivalents of their scores, -3.666 < -3.625.
Zack won. If you compare the decimal equivalents of their scores, -3.625 < -3.666.
Zack won. If you compare the decimal equivalents of their scores, -3.666 < -3.625
Mathematics
2 answers:
kompoz [17]4 years ago
7 0

Answer:

d

Step-by-step explanation:

i just took the test

Law Incorporation [45]4 years ago
4 0

Answer: Zack won. If you compare the decimal equivalents of their scores, -3.666 < -3.625


Step-by-step explanation:

Given: Vanessa and Zack are playing a game where the player with the lower score wins.

Score of Vanessa=-3\frac{5}{8}=-(\frac{29}{8})=-3.625

Score of Zack = -3\frac{2}{3}=-(\frac{11}{3})=-3.666

We can see -3.666

⇒ Zack has the lower score .

Hence, Zack won. If you compare the decimal equivalents of their scores, -3.666 < -3.625.


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It is not enough evidence to reject null hypothesis. It is not enough evidence to say that mean score is not equal to 35.

Step-by-step explanation:

\mu=35\\n=23\\\=x=33\\s=5\\\alpha=0.1

1. Null and alternative hypothesis

H_{0}:\mu=35\\H_{1}:\mu

2. Significance level

\alpha=0.1\\1-\alpha=0.99

Freedom degrees is given by:

v=n-1\\v=23-1=22

For a sgnificance level of 0,01 and 22 freedom degrees,  t-student distribution value is:

t_{0.01;23}=-2. 5083

3. Test statistic

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In this case, we have an one left tailed analysis, it means that null hypothesis is rejected if t

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Conclusion:

It is not enough evidence to reject null hypothesis. It is not enough evidence to say that mean score is not equal to 35.

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