A random sample of 15 items is drawn from a population whose standard deviation is unknown. The sample mean is x⎯⎯ = 760 and the sample standard deviation is s = 20. Use Appendix D to find the values of Student’s t.

Igor stravinsky tires sells approximately 3,760,000 car tires and 1,200,000 truck tires each year. about 47,000,000 care tires and 26,000,00 truck tires are sold each year in the united states. what is stravinsky's market share in each of these two markets (cars and trucks)?

Find the area of a parallelogram with base 15 yards and height 21 2/3

Select the number of ways in which a line and a circle can intersect