Foundation June 2023 Paper 1R Q21
21 Each time Evie plays a game against her computer, she will win or lose.
For each game, the probability that Evie will win is 0.74
Evie is going to play 300 games against her computer.
Work out an estimate for the number of games that Evie will lose.
(2)
| Scheme | Marks |
|---|---|
eg 0.74 × 300 (= 222) or 1 – 0.74 (= 0.26) seen or \(\dfrac{78}{300}\) | M1 |
| Correct answer scores full marks (unless from obvious incorrect working) Answer: 78 | A1 |
| (2) | |
| (2 marks) |
Notes
M1: for a method to work out an estimate for the number of games Evie will win
or
the probability that Evie will lose
or
an answer of \(\dfrac{78}{300}\)
A1: cao