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There are 12 counters in a bag. There is an equal number of red counters, yellow counters and blue counters in the bag. There are no other counters in the bag. 3 counters are taken from the bag. Work out the probability of taking 3 red counters.

If there are 12 counters in a bag,each with colour either red, yellow or blue, we can say that the number of red counters, blue counters and yellow counters must add up to 12.R + B + Y = 12 ( R = No. of Red ...
LB
Answered by Lewis B. • Maths tutor
16022 Views

؛السنة الماضية سافرت الي بغداد مع اهلي لمدة اسبوعين؛ Answer Question in english. How long did she stay in Baghdad.

She stayed there for two weeks
SZ
Answered by Sara Z. • Arabic tutor
3127 Views

Explain the formation of bays and headlands (6 marks)

Some areas of coast, such as the 90 kilometer Purbeck coastline on the South coast of England are known as discordant coastlines. This means they have bands of rocks with alternating resistance, in layers pe...
JS
Answered by James S. • Geography tutor
14326 Views

State assumptions made about the motion of the molecules in a gas in the derivation of the kinetic theory of gases equation.

The molecules move in random motion. Collisions of molecules with each other and with the walls are elastic (total kinetic energy stays constant). Time in contact is small compared with time between collisio...
MJ
Answered by Marina J. • Physics tutor
6580 Views

Explain two benefits to a business of using part-time staff

One benefit is that part-time staff offer greater flexibility and keeps costs down for variations in demand while keeping costs low. For example, in winter months many retail businesses hire part-time tempor...
JR
8367 Views