A hypothesis will be used to test that a population mean equals 7 against the alternative that the population mean does not equal 7 with known variance σ. What are the critical values for the test statistic Z0 for the following significance levels?

(a) 0.01 (b) 0.05 (c) 0.10

CHAPTER 3: COLONIAL WAYS OF LIFE THE SHAPE OF EARLY AMERICA POPULATION GROWTH I. Many died of disease, starvation, or warfare with natives. a. Later became settled and secure, and grew rapidly. b. Population doubled every 25 years. i. 1750: passed 1 million ii. 1775: approached 2.5 million II. Land in America was plentiful...