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3 years ago

9

John and mike got paid $40.00 for washing

1 answer:

svet-max [94.6K]3 years ago

3 0

This question is incomplete , l can’t answer it . You have to say how much minutes or hours they work to get paid $40 ,if you just say that John’s work one hour and Mike work 1.5 hours then I don’t know what to solve ,this question is a complete

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Testing: H 0 : μ ≥ 15.6 H 1 : μ < 15.6 Your sample consists of 46 values, with a sample mean of 13.4. Suppose the population

guajiro [1.7K]

Answer:

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Step-by-step explanation:

The information provided is:

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The test statistic is:

$Z=\frac{\mu-\bar x}{\sigma/\sqrt{n}}$

$=\frac{15.6-13.4}{4.47/\sqrt{46}}\\\\=3.33806\\\\\approx 3.34$

Thus, the value of the test statistic is <em>z</em> = 3.34.

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Step-by-step explanation:

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