Answer:
117.775
Step-by-step explanation:
Divide 151 by 200
117.775
Answer:
<em>16.00 grams/mole Oxygen * (1 mole/6.022x1023 atoms) = 2.66 x 10-23 grams. Any slight differences are due to the accuracy used for the atomic.</em>
<em> Step-by-step explanation:</em>
Im still trying to figure that answer out.. its hard
Answer: a) 453 b) 1537
Step-by-step explanation:
As per given , we have
Margin of error : E= 0.025
Critical value for 95% confidence interval :
a) The prior estimate of population proportion : p=0.08
Required sample size :-
The minimum sample size is 453 U.S. adults.
b) Since the prior estimate of population proportion is not available , so we take p= 0.5
Required sample size :-
The minimum sample size is 1537 U.S. adults.
Answer: a
Step-by-step explanation: