A spinner has the numbers 1 to 4 on it. The area given to each number relates to their chance of occurring. • The probability of spinning a number 4 is 0.1
• The probability of spinning a number 1 is 0.5
• The probability of spinning a number 2 is the same as spinning a number 3.
Calculate the probability of spinning a number 3.

Adriano loves anime and collects toys from his favorite series.each month he gains 4 toys. if adriano has 3 toys when he starts collecting, how many does he have after 4 months

#12 find the value of x. #13 find the value of the variable.

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.