Use cubic regression to find a function that fits the following points. (1,4), (2,9), (3,34),(-2,-11) y = [ ? ]x3 + [ ]x2 + [ ]x + [ ]

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

On her first stroke, maya hit a golf ball 146 yards, 2 feet, 11 inches. on her second stroke, she hit it 163 yards, 1 foot, 2 inches. how far did the ball go all together? convert the answer to larger units whenever possible.

Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean