B and E are the correct answers
49.99 I believe thats with it rounded 49.985 without
Parentheses- parentheses first (in order left to right if there's multiple)
Without- PEMDAS
Answer:
1500 millimeters
Step-by-step explanation:
Answer:1442
Step-by-step explanation:
Given,
Mean is,
Standard deviation,
,
Margin of error(E) = 0.54,
For 98% level of confidence,
Thus, the sample size would be,