A biologist hypothesizes that the mean life expectancy of a cockroach is 17 days. Researchers believe the true mean is less than 17 days and they plan a hypothesis test at the 10% significance level on a random sample of 80 of these cockroaches. If the alternative hypothesis is correct, for which of the following values of μ is the power of the test greatest? μ = 9
μ = 10
μ = 17
μ = 20
μ = 21

The religious conflict that took place in northern ireland in the 20th century was between which of the following?

50 ! if you could have one clothing item of your choice, but it was in either of these colors, which would you choose out of each category? blue or pink red or yellow red or green green or purple blue or green

A. describe the model of urban structure most often observed in mega-cities in developing countries. explain how this model differs from common urban structures in north america. b. describe at least two factors leading to the growth of mega-cities in developing or least-developed countries. c. identify and explain two factors that led to the formation of squatter settlements in mega-cities in developing countries.