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mihalych1998 [28]
2 years ago
5

The dot plot shows the number of hours of daily driving time for 14 school bus drivers. Each dot represents a

Mathematics
1 answer:
hram777 [196]2 years ago
6 0

Answer: 8/14

Step-by-step explanation: make 8/14 into a percent and you have the answer for khan

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Determine whether (18 + 35) × 4 = 18 + 35 ×4 is true or false. explain
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The first one  is 212 
and the second one is 158
so yes it is false they do not equal

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Which of the following equations is not a linear equation? a. y = x + 6 b. y2 = x2 + 3 c. x = 5 d. 2x = 3y
vaieri [72.5K]
<h3>Of the four listed equations, B is the only equation that is not linear.</h3>

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3 years ago
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Consolidated Power, a large electric power utility, has just built a modern nuclear power plant. This plant discharges waste wat
Gemiola [76]

Answer:

We conclude that the plant should shut down.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 60

Sample mean, \bar{x} = 61.498

Sample size, n = 100

Alpha, α = 0.05

Population standard deviation, σ = 6

a) First, we design the null and the alternate hypothesis  such that the power plant will be shut down when the null hypothesis is rejected.

H_{0}: \mu \leq 60\\H_A: \mu > 60

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

b) Formula:

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

Putting all the values, we have

z_{stat} = \displaystyle\frac{61.498 - 60}{\frac{6}{\sqrt{100}} } = 2.49

Now, z_{critical} \text{ at 0.05 level of significance } = 1.64

Since,  

z_{stat} > z_{critical}

We reject the null hypothesis and accept the alternate hypothesis. Thus, the temperature of waste water discharged is greater than 60°F. We conclude that the power plant will shut down.

Calculating the p-value from the z-table:

P-value = 0.0063

Since,

P-value < Significance level

We reject the null hypothesis and accept the alternate hypothesis. Thus, the temperature of waste water discharged is greater than 60°F. We conclude that the power plant will shut down.

7 0
3 years ago
What's the answer and how do you get it
ycow [4]
That some the answer

7 0
3 years ago
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