Suppose that IQ scores have a bell-shaped distribution with a mean of 95 and a standard deviation of 18. Using the empirical rule, what percentage of IQ scores are no more than 149? Please do not round your answer.

Which of the following are parts of a sphere

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.

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years