a)
F =
(K - 273.15) + 32
<u>- 32</u> <u> - 32</u>
F - 32 =
(K - 273.15)
(F - 32) =
[
(K - 273.15)]
(F - 32) = K - 273.15
-
= K - 273.15
- 57.6 = K - 273.15
<u> + 273.15</u> <u> + 273.15 </u>
- 215.55 = K
b)
- 215.55 = K
324 - 215.55 = K
108.45 = K
Answer:
21:00 AST
Step-by-step explanation:
10:00 uk time
Australia time is 11 hours ahead of UK time then
10:00 + 11 hours
21:00 AUSTRALIA TIME
OR 9:00 PM Australia time
Answer:
down is $153000 while purchase price is $144000
Answer: 471
Step-by-step explanation:
Given : The population standard deviation is estimated to be $500.
i.e . ![\sigma=\$500](https://tex.z-dn.net/?f=%5Csigma%3D%5C%24500)
If a 97 percent confidence interval is used and an interval of $100 is desired.
i.e. Margin of error = half of interval
i.e. E= ![\dfrac{\$100}{2}=\$50](https://tex.z-dn.net/?f=%5Cdfrac%7B%5C%24100%7D%7B2%7D%3D%5C%2450)
Significance level : 1-0.97=0.03
Critical value for 97% confidence interval : ![{z_{\alpha/2}=z_{0.03/2}=2.17](https://tex.z-dn.net/?f=%7Bz_%7B%5Calpha%2F2%7D%3Dz_%7B0.03%2F2%7D%3D2.17)
Formula for sample size :
![n=(\dfrac{z_{\alpha/2}\ \sigma}{E})^2\\\\=(\dfrac{2.17\times500}{50})^2\\\\=470.89\approx471](https://tex.z-dn.net/?f=n%3D%28%5Cdfrac%7Bz_%7B%5Calpha%2F2%7D%5C%20%5Csigma%7D%7BE%7D%29%5E2%5C%5C%5C%5C%3D%28%5Cdfrac%7B2.17%5Ctimes500%7D%7B50%7D%29%5E2%5C%5C%5C%5C%3D470.89%5Capprox471)
Hence, at-least 471 cardholders should be sampled.