Ten years ago 53% of american families owned stocks or stock funds. sample data collected by the investment company institute indicate that the percentage is now 46%. (a) choose the appropriate hypotheses such that rejection of h0 will support the conclusion that a smaller proportion of american families own stocks or stock funds this year than 10 years ago.

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave