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3 years ago

Please read the directions below and answer the problems!! Worth a lot of points and I will give brainliest:

Mathematics

1 answer:

Kay [80]3 years ago

6 0

Answer:

....

Step-by-step explanation:

.....

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Using traditional methods, it takes 8.1 hours to receive a basic flying license. A new license training method using Computer Ai

Karo-lina-s [1.5K]

Answer:

The value of the test statistic is 0.4.

Step-by-step explanation:

The value of the test statistic is given by:

Our test statistic is:

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

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

Using traditional methods, it takes 8.1 hours to receive a basic flying license.

This means that $\mu = 8.1$

A researcher used the technique with 23 students and observed that they had a mean of 8.2 hours with a standard deviation of 1.2.

This means that $n = 23, X = 8.2, \sigma = 1.2$

Find the value of the test statistic.

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

$t = \frac{8.2 - 8.1}{\frac{1.2}{\sqrt{23}}}$

$t = 0.4$

The value of the test statistic is 0.4.

8 0

3 years ago

Emeril mixed 3/10 cup balsamic vinegar with 2/10 cup oil to make a salad dressing. Then he use 1/10cup of mixture for a large sa

LenKa [72]

Add them together and subtract so it would be 3/10+2/10=5/10 1-5/10=5/10

The answer is 5/10

8 0

3 years ago

Read 2 more answers

What is the length of the third side of the right triangle

Elodia [21]

Hello there!

Answer: 20√2

Hope This Helps You!
Good Luck Studying ^-^

3 0

3 years ago

Which identify could be used to rewrite the expression x6-27

hammer [34]

The differnce of 2 perfect cubes

remember
a³-b³=(a-b)(a²+ab+b²)

so
$(x^2)^3-(3)^3=(x^2-3)(x^2+3x+9)$

3 0

3 years ago

Butoxors [25]

Answer:

soulutions

0,03| = 3×1^100 × 1× 1^1000

=3^100 + 1^1000

=30^1000 + 1^1000

=31^1000

(3=3×10 =30 )

(100 1000 1000 )

4 0

2 years ago