(05.01) the bradenton post polled 1,356 adults in the city to determine whether they wet their toothbrush before they put toothpaste on it. of the respondents, 54% said they wet it first. suppose 68% of all adults actually wet their toothbrush first. what are the mean and standard deviation of the sampling distribution?

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.

Measure of angles 31 (x+4) (3x+9) me

Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?