Product groups. let m and n be postive integers that are at least 2. is zm × zn isomorphic to zn x z remember we defined the product of two groups (g, and (h, ) as the set g x h with the operation induced from g and h: (g1,h)(92, h2) (g 92, h. h2).

Which of the following is the result of expanding the series

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree