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Below is the distribution of the number of jumps performed by a group of high school students. Determine the standard deviation of the given normal curve.

Rank the following aqueous environments in terms of INCREASING concentration of hydronium ion, [H3O+]. A. a swimming pool of pH 7.2 B. a glass of milk with pH 6.5 C. a detergent solution with pH 9.5  

TRUE OR FALSE:  In Just Intonation, Major 3rds are tuned “beatless” (or pure).

Private life in the Elightenment period mattered more than public life.

In order to produce Tartuffe again, Moliere wrote petitions to:

What was one of the Carolingians’ disadvantages when faced with Viking attacks?

Saline solution is critical in many medical applications. It is simply a solution of sodium chloride (Na+ -Cl) in water, and is often supplied in concentrated form that would need to be diluted before use. The concentrated form is called 23.4% sodium chloride and it consists of 23.4 g in 100 mL of water. Note that sodium chloride is written here as Na+ -Cl to emphasize that it is an ionic compound, normally is would be written more simply as NaCl What is the concentration of 23.4% sodium chloride in M units? The average atomic weight of sodium is 22.990 g/mol The average atomic weight of chlorine is 35.453 g/mol

What frequencies will the first six partials of the overtone series have from a pitch with a fundamental frequency of 120Hz?  (you do not need to write “Hz” with your answers — just numbers) 120, [frequency1], [frequency2], [frequency3], [frequency4], [frequency5]

A juice manufacturer wants to estimate the average weight of its bottles of cherry juice. A sample of 62 juice bottles was collected, the average (mean) weight is 351 gr. The population standard deviation is known to be 5 gr. The manufacturer wants to get the 90% confidence interval for the true mean weight of all of its bottles of cherry juice. What critical value should be used when constructing the interval?

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