It has been reported in a national newspaper that 78 of American households own a washing machine A random sample of 143 San Diego households revealed that 100 owned a washing machine At a 0 05 significance test the claim that San Diego households have a different percentage compared to the nation a What are the null and alternative hypotheses Ho p 0 78 OH p 0 78 O Ho p 0 78 H p 0 78 Ho p 0 78 O H P 0 78 Ho p 0 78 H P 0 78 b What is the test statistic Round to 2 decimal places I c What is the p value Round to 4 decimal places