Answer: 68
Step-by-step explanation:
As per given , we have
Population standard deviation :
Critical value for 90% confidence interval =
Margin of error : E= 0.8 milligrams
The formula to find the sample size is given by :-
i.e.
Hence, the limnologist must analyze 68 samples.
1. 1 km is equivalent to 0.621 miles. Therefore 1 mile is larger
2. 1 kg is equivalent to 2.205 lbs. therefore 0.5 kg is larger quantity.
3. 1 L is equivalent to 1.057 qt. Therefore the 2.5 qt is larger.
4. 1 inch is equivalent to 2.54 cm. Therefore 0.0045 inches is larger.
Answer:
Step-by-step explanation:
OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO LOOL i hade same ttest
Answer:
$0.1395
Step-by-step explanation:
$2.79 x 0.05 = 0.1395