One welded steel tank holds 275 gallons. Another holds twice as much. What is the average amount held by the tanks, in gallons?
What will be an ideal response?
ANS: 412.5
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The article “Soft Drinks Consumption is Associated with Nonalcoholic Fatty Liver Disease Independentof Metabolic Syndrome in Chinese Population” presents the results of a study of soft drink and smoking habits in a sample of adults. Of 11,805 people who said they consume soft drinks weekly, 2527 said they were smokers. Of 14,985 who said they almost never consume soft drinks, 2503 were smokers. Find a 95% confidence interval for the difference between the proportions of smokers in the two groups.
What will be an ideal response?
In the nineteenth century, what became the basis of class distinction?
a. birth ancestry b. income c. profession d. education level
Some engines that use a gasoline direct injection system also have port injection
Indicate whether the statement is true or false
Bringing a rig to a smooth stop is part of range practice.
Answer the following statement true (T) or false (F)