PYP practice

COMMONWEALTH

Lindon picks a letter at random from the above word.

Explain why the probability that he picks a letter M is not 1/10.

Tickets for athletics or swimming or hockey or diving are placed in a box.

A ticket is picked at random from the box.
Complete the table.

In a group of 40 students,

• 24 students like football

• 19 students like cricket

• 10 students like football but not cricket.
Complete the Venn diagram.

Write down n(A).

List the elements of set B.
B = { .... , .... , .... , .... , .... , .... }

Ordering: Arrange from smallest to biggest numbers.

One of these 19 numbers is picked at random.

Work out the probability that this number is

(a) not in set A and not in set B,

Answer explanation

x

Simplify
4x + 3y + 2x - 8y

• 6x-5y

• 6x-11y

• 6x+11y

• 6x+5y

A pen costs 60 cents and a ruler costs 29 cents.

Write down an expression for the total cost, in cents, of x pens and y rulers.