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julia-pushkina [17]
2 years ago
11

Which equation is correct?

Mathematics
2 answers:
garri49 [273]2 years ago
7 0

<u>Answer</u>

Equation Two is correct.

Dmitriy789 [7]2 years ago
4 0

Answer:

52 × 7 = 50 + 2 × 7

Step-by-step explanation:

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The distance between the points (-2, -4) and (3,8) is?
forsale [732]

Answer:

(5,4)

Step-by-step explanation:

6 0
3 years ago
What is the area of this parallelogram PLEASE HELP QUICKLY!!!20 points!!!
olga nikolaevna [1]

Answer:

72

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 144 millimeters,
valentinak56 [21]

Answer:

The probability that the sample mean would differ from the population mean by more than 2.6 mm is 0.0043.

Step-by-step explanation:

According to the Central Limit Theorem if we have a population with mean μ and standard deviation σ and appropriately huge random samples (n > 30) are selected from the population with replacement, then the distribution of the sample  means will be approximately normally distributed.

Then, the mean of the distribution of sample mean is given by,

\mu_{\bar x}=\mu

And the standard deviation of the distribution of sample mean  is given by,

\sigma_{\bar x}=\frac{\sigma}{\sqrt{n}}

The information provided is:

<em>μ</em> = 144 mm

<em>σ</em> = 7 mm

<em>n</em> = 50.

Since <em>n</em> = 50 > 30, the Central limit theorem can be applied to approximate the sampling distribution of sample mean.

\bar X\sim N(\mu_{\bar x}=144, \sigma_{\bar x}^{2}=0.98)

Compute the probability that the sample mean would differ from the population mean by more than 2.6 mm as follows:

P(\bar X-\mu_{\bar x}>2.6)=P(\frac{\bar X-\mu_{\bar x}}{\sigma_{\bar x}} >\frac{2.6}{\sqrt{0.98}})

                           =P(Z>2.63)\\=1-P(Z

*Use a <em>z</em>-table for the probability.

Thus, the probability that the sample mean would differ from the population mean by more than 2.6 mm is 0.0043.

8 0
3 years ago
The base of the prism in the diagram is rectangular, but the edges that are not parallel to the base titled. What is the volume
joja [24]
The answer is
the volume of the prism is 648\ cm^{3}
4 0
3 years ago
Help me please i don’t understand
LenaWriter [7]

Answer:

90

Step-by-step explanation:

There are 10 red candies, 18 green candies, 9 yellow candies, and 13 brown candies.

10 + 18 + 9 + 13 = 50.

There is a total of 50 candies. Out of the 50 candies, 18 are green.

\frac{18}{50} \\

You have to get to 250 .That means you do  \frac{18}{50}  = \frac{x}{250}

250 divided by 50 = 5.

18 x 5 = 90.

Therefore, she can expect 90 green candies

4 0
3 years ago
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