Q14
Marco has a 4-sided spinner. The sides of the spinner are numbered 1, 2, 3 and 4. The spinner is biased.
The table shows the probability that the spinner will land on each of the numbers 1, 2 and 3. 4 Number Probability 1 0.20 2 0.35 3 0.20
(a) Work out the probability that the spinner will land on the number 4. Marco spins the spinner 100 times.
(b) Work out an estimate for the number of times the spinner will land on the number 2.​