Which expressions can be used to compute the approximate area of triangle XYZ? Check all that apply.

1/2x22.0x23.1
1/2x15.9x23.1
1/2x15.9x22.0
1/2x22.0x31.9
1/2x15.9x31.9
1/2x23.1x31.9.

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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

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