3.8 For each of the following experiments, decide whether it would be appropriat

Question

3.8 For each of the following experiments, decide whether it would be appropriate to use a sample space which is finite, countably infinite, or continuous. (a) A Geiger counter, located adjacent to a building containing a reactor, will record the total number of alpha particles during a one-hour period. (b) Five of the members of a professional society with 12,600 members are chosen to serve on a nominating committee (c) Anexperiment is conducted to measure the thick- ness of a new synthetic silk thread in nanometers. (d) A study is made to determine in how many of 450 airplane accidents the main cause is pilkot error (e) Measurements are made to determine the uranium content of a certain ore, (f) In a torture test, a watch is dropped a number of times from a tall building until it stops running.

Explanation / Answer

a)

countably infinite (as number is interger but alpha particles can be many)

b)

finite

c)

continuous

d) finite

e) coninuous

f)countably infinite

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