WebHi. This is the question: Fiza has 10 coins in a bag. There are three £1 coins and seven 50p coins. Fiza takes at random three coins from the bag. Work out the probability that … WebMar 17, 2024 · 1. Since you have 3 chances. Also, you have to take exactly £2.50. Thus, you have to choose £1 coin - two times and similarly 50p coin - one time. We can calculate probability as -. (3/12) * (2/11) * (9/10) On the first pick, we have chosen the £1 coin and while choosing the second, we are left with only 11 coins now.

What does FIZA mean? - definitions

WebFiza has 10 coins in a bag. There are three £1 coins and seven 50 pence coins. Fiza takes at random, 3 coins from the bag. Work out the probability that she takes exactly £2.50 … http://acsrevision.weebly.com/uploads/3/0/9/3/30931869/_june_2013_noncalc_(h).pdf chinese bodybuilding association

GCSE A grade probability question - The Student Room

WebFiza has 10 coins in a bag. There are three £1 coins and seven 50 pence coins. Fiza takes at random, 3 coins from the bag. Work out the probability that she takes exactly £2.50 … WebThere are only red counters, blue counters, white counters and black counters in a bag. The table shows the probability that a counter taken at random from the bag will be red or blue. Colour red blue white black Probability 0.2 0.5 The number of white counters in the bag is the same as the number of black counters in the bag. Web[June 2013 NonCalc] Fiza has 10 coins in a bag. There are three £1 coins and seven 50 pence coins. Fiza takes at random, 3 coins from the bag. Work out the probability that she takes exactly £2.50. 21. [Nov 2012 Calc] Here are seven tiles. Jim takes at random a tile. He does not replace the tile. Jim then takes at random a second tile. chinese bodybuilding competition