Could someone help me with this?

Mathematics

1 answer:

Juli2301 [7.4K]2 years ago

4 0

(4,4)736472i would help but i jus points to do my homework lol

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A one-tailed test is a a. hypothesis test in which rejection region is in one tail of the sampling distribution b. hypothesis te

garri49 [273]

Answer:

Option A) One tailed test is a hypothesis test in which rejection region is in one tail of the sampling distribution

Step-by-step explanation:

One Tailed Test:

A one tailed test is a test that have hypothesis of the form

$H_0: \bar{x} = \mu\\H_A: \bar{x} < \mu\text{ or } \bar{x} > \mu$

A one-tailed test is a hypothesis test that help us to test whether the sample mean would be higher or lower than the population mean.
Rejection region is the area for which the null hypothesis is rejected.
If we perform right tailed hypothesis that is the upper tail hypothesis then the rejection region lies in the right tail after the critical value.

If we perform left tailed hypothesis that is the lower tail hypothesis then the rejection region lies in the left tail after the critical value.

Thus, for one tailed test,

Option A) One tailed test is a hypothesis test in which rejection region is in one tail of the sampling distribution

6 0

2 years ago

If your teacher tells you to do questions 38 through 51 in your math book for homework, how many questions is that?

Elina [12.6K]

Answer:

It would be 13 questions.

Step-by-step explanation:

If you had to do questions 31 through 51 for homework it would be 13 because...

51 - 38 = 13

8 0

2 years ago

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EXPERT ONLY HELP: I'LL GIVE BRAINLIEST: EXPLAIN YOU ANSWER A or C

RideAnS [48]

Answer:

Its A : 1188

Step-by-step explanation:

Because you have two heights 5 and 6 so add them together

5+6 = 11

then to get the volume you have to multiply length (9) , height (11), and width (12) to get the answer so..

11 x 12 x 9=1188

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2 years ago

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Law of sines?? side c=22 side a=16 side b= 21 solve for angle c??? help

den301095 [7]

Answer:

Angle C measures: $71.52^o$

Step-by-step explanation:

When you know the length of the three sides of the triangle and not a single angle, the law of sines is of no use. You need to use the law of cosines. In your case, since you want to find angle "C", you use the following;

$c^2=a^2+b^2-2\,a\,b\,cos(C)\\2\,a\,b\,cos(C)=a^2+b^2-c^2\\cos(C)=\frac{a^2+b^2-c^2}{2\,a\,b} \\cos(C)=\frac{16^2+21^2-22^2}{2\,(16)\,(21)}\\cos(C)=0.3169643\\C=arccos(0.3169643)\\C=71.52^o$