Assume that a sample is used to estimate a population proportion p. find the 98% confidence interval for a sample of size 322 with 270 successes. enter your answer using decimals (not percents) accurate to three decimal places.

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

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.

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191