Trevor is interested in purchasing the local hardware/sporting goods store in the small town of dove creek, montana. after examining accounting records for the past several years, he found that the store has been grossing over $850 per day about 50% of the business days it is open. estimate the probability that the store will gross over $850 for the following. (round your answers to three decimal places.)

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.

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1