The librarian needs to return 24 books to the shelf. In one hour she finished 3/4 of the job. How many books has she returned to the shelf so far?
Write a number model.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to