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Anvisha [2.4K]
3 years ago
10

WILL MARK BRAINLIEST IF YOU ARE CORRECT!

Mathematics
2 answers:
almond37 [142]3 years ago
4 0
Mmmmmmmmmmmmmmmmmhvggggghjk
alina1380 [7]3 years ago
3 0
<h3>Answer: Choice C</h3>

There is sufficient evidence to support the claim that the standard deviation of time all women spend washing their hair in the morning is 15 seconds

=================================================

Explanation:

First focus on "You find the initial conclusion of your test fails to reject the null hypothesis"

The key thing to pull out from that is "fail to reject the null hypothesis". Failing to reject means we basically "accept", more or less, the null. We have no other choice until more data comes along to reject the null.

The claim is " the standard deviation of time all women spend washing their hair in the morning is 15 seconds." which is where the null hypothesis is made. In terms of symbols, we would write \sigma = 15. The alternate hypothesis is \sigma \ne 15. The symbol \sigma is the greek letter sigma that represents the population standard deviation.

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The Earth is approximately 8.0 × 103 miles in diameter, from pole to pole. What number is the distance equivalent to?
Vera_Pavlovna [14]

Answer:

The diameter of earth  from pole to pole  is equal to 8000 miles.

Step-by-step explanation:

The number to which the distance is equivalent is

8 * 10^3\\8 * 1000\\= 8000

Thus, the diameter of earth  from pole to pole  is equal to 8000 miles.

6 0
3 years ago
For which values of P and Q does the following equation have infinitely many solutions? Px-37=Qx-37
Lyrx [107]

Answer:

The equation has infinitely many solutions for any value of P and Q such that P=Q.

Step-by-step explanation:

Px - 37 = Qx - 37

Px - Qx - 37 = -37

x (P-Q) = 0

==> P-Q=0 ==> P=Q


4 0
3 years ago
For the beam shown, find the reactions at the supports and plot the shear-foce and bending moment diagrams
3241004551 [841]
I forgot how to do this man
4 0
3 years ago
Please help me with this question.. { 8th Grade Math} I don't need an explanation just the answers.
xz_007 [3.2K]

Answer:

45 degrees

2 units

Step-by-step explanation:

A rotation is an Isometry so therefore the 45-45-90 Triangle is the exact same size and shape after the rotation.

3 0
3 years ago
What is X<br><img src="https://tex.z-dn.net/?f=%20-%203x%20%2B%2012%20%3D%2021" id="TexFormula1" title=" - 3x + 12 = 21" alt=" -
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