Answer:
B
Step-by-step explanation:
in a 30,60,90 triangle the longer leg is rt3 times the value of the shorter leg and the hypotenuse is 2 times greater than the shorter leg.
Answer:
$53.33
Step-by-step explanation:
After 25% discount, paid is 100-25 = 75% of the actual price
75% : 40
100% : X
X/100 = 40/75
X = 4000/75
X = 53.3333333333
Answer:
The test statistic for Norah's test is ![t = -2](https://tex.z-dn.net/?f=t%20%3D%20-2)
Step-by-step explanation:
Norah is in charge of a quality control test that involves measuring the amounts in a sample of bottles to see if the sample mean amount is significantly different than 500 ml.
This means that at the null hypothesis we test if the sample mean is 500 ml, that is:
![H_0: \mu = 500](https://tex.z-dn.net/?f=H_0%3A%20%5Cmu%20%3D%20500)
At the alternate hypothesis, we test if it is differente than 500 ml, that is:
![H_a: \mu \neq 500](https://tex.z-dn.net/?f=H_a%3A%20%5Cmu%20%5Cneq%20500)
The test statistic is:
![t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}](https://tex.z-dn.net/?f=t%20%3D%20%5Cfrac%7BX%20-%20%5Cmu%7D%7B%5Cfrac%7Bs%7D%7B%5Csqrt%7Bn%7D%7D%7D)
In which X is the sample mean,
is the value tested at the null hypothesis, s is the standard deviation of the sample and n is the size of the sample.
500 is tested at the null hypothesis:
This means that ![\mu = 500](https://tex.z-dn.net/?f=%5Cmu%20%3D%20500)
She takes a random sample of 16 bottles and finds a mean amount of 497ml, and a sample standard deviation of 6ml.
This means that ![n = 16, X = 497, s = 6](https://tex.z-dn.net/?f=n%20%3D%2016%2C%20X%20%3D%20497%2C%20s%20%3D%206)
Calculate the test statistic for Norah's test.
![t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}](https://tex.z-dn.net/?f=t%20%3D%20%5Cfrac%7BX%20-%20%5Cmu%7D%7B%5Cfrac%7Bs%7D%7B%5Csqrt%7Bn%7D%7D%7D)
![t = \frac{497 - 500}{\frac{6}{\sqrt{16}}}](https://tex.z-dn.net/?f=t%20%3D%20%5Cfrac%7B497%20-%20500%7D%7B%5Cfrac%7B6%7D%7B%5Csqrt%7B16%7D%7D%7D)
![t = -2](https://tex.z-dn.net/?f=t%20%3D%20-2)
The test statistic for Norah's test is ![t = -2](https://tex.z-dn.net/?f=t%20%3D%20-2)
Answer:
General accounting essentially refers to general ledger collection and accounting activities that include account charges in credits and debits and documenting financial statements for a quarter, calendar or fiscal year.