Answer:
201 countries
Explanation:
There are 195 countries in the World, 54 countries is Africa, which is 249 countries. Then 48 countries is Asia, so 201 countries.
If the 95% confidence limits for mean mu turn out to be 6.5, 8.5, then the: "probability is 0.95 that the interval (6.5, 8.5)" (Option C)
<h3>
What is the explanation for the above?</h3>
it is to be noted that:
For the population distribution, 3.92s, not 4s= 8.5 - 6.5.
The 95% confidence interval is for m not X or X-bar.
Hence, the correct answer is option C.
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Full Question:
If the 95% confidence limits for mean m turn out to be 6.5, 8.5:
a. probability is 0.95 that X-bar between 6.5 and 8.5
b. probability is 0.95 that X falls between 6.5 ad 8.5
c. probability is 0.95 that the interval (6.5, 8.5) contains mu
d. 4sigma= 8.5 - 6.5
Answer:
What is the molar mass of diazepam (valium) if 0.05570 mol has a mass of 15.86 g?
A:
= 15.86 g