Two students recorded how long it took them to get to school each day one week. Which student had the lower average travel time? Student A Student B 7.5 minutes
4.6 minutes
6.7 minutes
6.2 minutes
5.6 minutes
6.4 minutes
5.8 minutes
7.1 minutes
5.3 minutes
5.8 minutes

The student with the lower average travel time is Student?

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

Which equation is true? i. 56 ÷ 4·7 = 82 ÷ (11 + 5) ii. (24 ÷ 8 + 2)3 = (42 + 9)2 neither i nor ii ii only i and ii i only

Which image (a’ b’ c’ d’) of abcd cannot he produced using only reflections ?