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son4ous [18]
3 years ago
12

mrs pulido has 12 times as many soccer ball as bowling balls. the total number of soccer balls is 78. how many soccer balls does

mrs pulido have?
Mathematics
2 answers:
SIZIF [17.4K]3 years ago
7 0
72 because 12×6=72 and 72+6=78
Harlamova29_29 [7]3 years ago
6 0
72 because 12*6=72. 72+6=78
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Suppose we are testing the null hypothesis H 0 mu=20 and the alternative H iu =20 , normal population with sigma=6 A random samp
cupoosta [38]

Answer:

The value of the test statistic is z = -1.5

Step-by-step explanation:

The formula for the test statistic is:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

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So

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

z = \frac{17 - 20}{\frac{6}{\sqrt{3}}}

z = -1.5

The value of the test statistic is z = -1.5

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