Statistics
A poll of 92 students found that 48% were in favor of raising tution to pave new parking lots. The standard deviation of this poll is 3%. What would be the standard deviation if the sample size were increased from 92 to 195?
chemistry
"Following the reaction of zinc with hydrochloric acid, a secondary reaction can occur if a product of the first reaction is ignited. Write the complete reactions for both reactions." "If 2.75g zinc with 0.15 moles HCL, how much flammable product can be collecte...
math
Which of the following best describes the relationship between the size of a one ounce container compared to a one pound container? 1 the size of a one oz container is 16 times the size of a pound container. 2 the size of a one oz container is 1\16 the size of a 1 pound contai...
math
Dvds are priced at 2for $15. Garret wants to buy 5 DVD. What equation can be used to find s, the total price of garret DVD?
math
No because the amount they read is not equivalent
math
Jerry read 180 pages in 3h. Peggy read 220 pages in 5h. Peggy said that they read at the same rate. Is she correct?
math
Which is not equal to 2 quarts? 2c, 4 pints, 1/2 gallon or 64 fluid oz.
math
Two briskets are bought 1 weighed 6lb 2 oz and the other weighed 5.25 lbs. What's the combined amount of weight of the 2 briskets?
Math
john earns $10 per hour and made a total $825. How many hours did he work during this period? Write an equation to represent this situation.
Chemistry
What is the [H3O] concentration in a 1.0M CH3COONa solution? (The Ka for CH3COONa is 2.0*10-5.)
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