?Solve for ?y in two ways.
?
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: A
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Find the probability.A sample of 4 different calculators is randomly selected from a group containing 10 that are defective and 31 that have no defects. What is the probability that at least one of the 4 calculators in the sample is defective?
A. 0.689 B. 0.311 C. 0.673 D. 0.100
Provide an appropriate response.A teacher asked 12 students how many hours they had spent preparing for a test. The results are shown below. 5, 3, 10, 12, 8, 18, 5, 10, 4, 15, 6, 4Construct a boxplot for the data.
A. 
B. 
C. 
D. 
Solve the problem.In a certain coastal basin, the sea water contains 3.6 grams of salt per 1000 milliliters of water. How many grams of salt would be in 5 liters of the sea water.
A. 180 g B. 18 g C. 0.18 g D. 1800 g
Round each number to the nearest hundred to estimate the sum or difference.9558 + 8858
A. 18,400 B. 18,000 C. 18,416 D. 18,500