Identify the type of sampling described by the proposal.A sample consists of every 30th worker from a group of 5000 workers.
A. stratified sample
B. convenience sample
C. simple random sample
D. cluster sample
E. systematic sample
Answer: E
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Construct a decimal number by writing: ? 4 in the tenths column, 1 in the thousandths column, 3 in the tens column, 9 in the thousands column, 9 in the hundreds column, 3 in the hundredths column, 9 in the ten thousandths column, 6 in the ones column.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Find the volume generated by revolving about the x-axis the region bounded by the following graph:
A. 10?
B. 
?
C. 
?
D. 100?
Solve the problem.A small circular pool is enclosed in a square. Find the area inside the square but outside the circle.3.9 m
A. 3.3 m2 B. 48 m2 C. 12 m2 D. 18 m2
Solve using a proportion. Round your answer to the nearest hundredth when necessary.Jared found an old family photograph that was 9 inches wide and 6 inches high. He wanted a copy that was 1.75 inches less wide. What will the height of that reduced copy be? Round to the nearest tenth of an inch.
A. 7.4 inches B. 10.9 inches C. 4.8 inches D. 1.2 inches