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2 years ago

Linear or non linear?

Mathematics

2 answers:

lutik1710 [3]2 years ago

5 0

Answer:

non linear

Step-by-step explanation:

icang [17]2 years ago

5 0

Answer:

Linear

Step-by-step explanation:

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An automobile manufacturer claims that its van has a 40.3 miles/gallon (MPG) rating. An independent testing firm has been contra

vovikov84 [41]

Answer:

The value of the test statistic is -2.64.

Step-by-step explanation:

The test statistic is:

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the sample mean, $\mu$ is the expected(claimed) mean, $\sigma$ is the standard deviation and n is the size of the sample.

An automobile manufacturer claims that its van has a 40.3 miles/gallon (MPG) rating.

This means that $\mu = 40.3$

After testing 250 vans, they found a mean MPG of 39.9. Assume the standard deviation is known to be 2.4.

This means, respectively, that:

$n = 250, X = 39.9, \sigma = 2.4$

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

$t = \frac{39.9 - 40.3}{\frac{2.4}{\sqrt{250}}}$

$t = -2.64$

The value of the test statistic is -2.64.

7 0

2 years ago

Sonali invests 15% of her monthly salary in insurance policies.

strojnjashka [21]

Answer:

₹42,500

Step-by-step explanation:

Let Sonali's monthly income be ₹x

<h2>According to the question </h2>

$15\% \:ofx + 55\% \: of \: x + 12750 = x$

$= > \frac{15}{100} x + \frac{55}{100} x + 12750 = x$

$= > \frac{70}{100} x + 12750 = x$

$= > 12750 = (1 - \frac{70}{100} )x$

$= > 12750 = 30x$

$= > x = \frac{12750 \times 10}{3}$

$= > 42500$

So your answer will be ₹42,500.

3 0

2 years ago

Read 2 more answers

Ted says that 3 tenths multiplied by 100 equal 300 thousandth is he correct use a place value chart to explain

GuDViN [60]

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8 0

3 years ago

What is the value of n in the numerical sentence?

Harlamova29_29 [7]

Answer: n = -2

Step-by-step explanation:

5 0

3 years ago

What are the values of mode and median in the following set of numbers? 1,3,3,6,6,5,4,3,1,1,2 Mode: 1, 2, Median: 2 Mode: 1,3, M

AURORKA [14]

<h3>given:</h3>

$1 \: 3 \: 3 \: 6 \: 6 \: 5 \: 4 \: 3 \: 1 \: 1 \: 2$

the mode and median of the given numbers set.

<h3>solution:</h3><h3>mode:</h3>

the most frequently occurred number.

$mode = 1 \: and \: 3$

<h3>median:</h3>

first arrange all the numbers in either decending or ascending order, then find the number in the middle.

$1 \: 1 \: 1 \: 2 \: 3 \: 3 \: 3 \: 4 \: 5 \: 6 \: 6$

$median = 3$

hence, the median of the following data set is 3 and the mode is 1 and 3

8 0

1 year ago

Linear or non linear?​

Linear or non linear?