Question

Choose a student at random from a large statistics class. Describe a sample space S for each of the following. (In some cases, you may have some freedom in specifying S.) Use set notation i.e. { } or interval notation ( ) depending the type of sample space

a) Ask whether the student is male or female.

b) Ask how tall the student is.

c) Ask what the student’s blood type is.

d) Ask how many times a day the student brushes teeth.

e) Ask how long since the student’s last flu or cold.

Answer 1

a) Ask whether the student is male or female.

S = { Male, Female, Other }

b) Ask how tall the student is.

( 53, 75 ) in inches

c) Ask what the student’s blood type is.

S = { A, B, O, AB }

d) Ask how many times a day the student brushes teeth.

S = { 0, 1, 2 , 3, 4 }

From 0 in a day to 4 in a day

e) Ask how long since the student’s last flu or cold.

S = ( 1, 10 )

1 to 10 days