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3 years ago

6

Dusty's earnings vary directly with the number of papers he delivers. The relationship is shown in the graph below. Determine th

e amount that Dusty earns for each paper he delivers.

1 answer:

wel3 years ago

3 0

There is no answer without a graph

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Solve. verify that your result satisfies the question. x+4.6=5.7

jarptica [38.1K]

Answer:

x = 1.1

Step-by-step explanation:

x+4.6=5.7

-4.6 = -4.6

x=1.1

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aivan3 [116]

Answer:

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Step-by-step explanation:

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A random sample of 64 bags of white cheddar popcorn weighed, on average, 5.23 ounces with a standard deviation of 0.24 ounce.

emmasim [6.3K]

Answer:

We conclude that cheddar popcorn weighed less than 5.5 ounces.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ =5.5 ounces

Sample mean, $\bar{x}$ = 5.23 ounces

Sample size, n = 64

Alpha, α = 0.05

Sample standard deviation, σ = 0.24 ounce.

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 5.5\text{ ounces}\\H_A: \mu < 5.5\text{ ounces}$

We use One-tailed z test to perform this hypothesis.

Formula:

$z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{s}{\sqrt{n}} }$

Putting all the values, we have

$z_{stat} = \displaystyle\frac{5.23 - 5.5}{\frac{0.24}{\sqrt{64}} } = -9$

Now, $z_{critical} \text{ at 0.05 level of significance } =-1.645$

Since,

$z_{stat} < z_{critical}$

We reject the null hypothesis and accept the alternate hypothesis. Thus, we conclude that cheddar popcorn weighed less than 5.5 ounces.

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Answer:

1/510

Step-by-step explanation:

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