Scores on a standardized test are normally distributed with a mean of 228 and a standard deviation of 18. students who score at least 2.3 standard deviations above the mean receive a certificate.

what is the minimum score required to receive the certificate?

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.

Which of the following represents the range of the graph of f(x) below

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9