Ccc (classroom clicker co.) produces student response pads. average normally distributed life span is 500 days; with a known std. dev. of 100 days under normal operating conditions. the company is considering a 300 day warranty for this product (c3). with this warranty policy, what percentage of c3’s sold should we expect to replace under warranty?

2.28%

5.40%

97.72%

4.75%

1.85%

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

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

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