Michael throws a dart at a target. He assumes that each throw is independent and that the probability he hits the target is 14\displaystyle \frac{1}{4}41. Michael throws 7 darts.
Calculate the probability of at least 2 of these darts hitting the target.
Michael throws 7 darts at the target each day for 4 days. Calculate the probability that at least 2 darts hit the target for exactly 1 of these days.
215 exam-style questions on Edexcel A Level Maths Statistical Distributions, covering 6.1 Probability Distributions, 6.2 The Binomial Distribution, and 6.3 Cumulative Probabilities. Each one has a worked solution and a mark scheme showing where the marks go.