Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Indeterminism wikipedia , lookup
History of randomness wikipedia , lookup
Probabilistic context-free grammar wikipedia , lookup
Dempster–Shafer theory wikipedia , lookup
Infinite monkey theorem wikipedia , lookup
Probability box wikipedia , lookup
Birthday problem wikipedia , lookup
Inductive probability wikipedia , lookup
Grade D Probability The probability of scoring on a biased dice No. on dice 1 2 3 4 5 6 0.15 Probability 0.3 0.2 0.08 0.1 a)What is the probability of scoring 6? b) What is the probability of scoring 2 or 3? c) If I roll the dice 1000 times, how many times do I expect to roll a 2? -------------------------------------------------------------------------- Here are the probabilities of a 4 sided spinner. No. on spinner 1 2 3 4 1/ Probability ⅓ ⅜ 5 a)What is the probability of spinning a 2? b)If I spin the spinner 600 times, how many times would I expect to spin a 2? Grade D Probability-answers The probability of scoring on a biased dice No. on dice 1 2 3 4 5 6 0.15 Probability 0.3 0.2 0.08 0.1 a)What is the probability of scoring 6? 0.17 b) What is the probability of scoring 2 or 3? 0.5 c) If I roll the dice 1000 times, how many times do I expect to roll a 2? 0.3 x 1000 = 300 -------------------------------------------------------------------------- Here are the probabilities of a 4 sided spinner. No. on spinner 1 2 3 4 1/ Probability ⅓ ⅜ 5 a)What is the probability of spinning a 2? 11/120 b)If I spin the spinner 600 times, how many times would I expect to spin a 2? 55