Suppose a simple random sample of size n=64 is obtained from a population with p = 80 and o = 24. (a) Describe the sampling distribution of x.
(b) What is P (x> 85.55) ?
(c) What is P (xs73.4)?
(d) What is P (76.85

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17