Scale Drawings A model car has the length of 8cm.
The scale of the model is 1:50
Work out the length of the real car.
Give your answer in metres.

What is the perimeter of square abcd? units units 28 units 37 units

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

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me