A random sample of 20 binomial trials resulted in 8 successes. Test the claim that the population proportion of successes does not equal 0.50. Use a level of significance of 0.05.

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.