Ing for a senate seat stated that 70% of all married couples with children in which both
1. a politician running for a senate seat stated that 70% of all me
would choose to have one parent stay home if money was not a factor. in a survey of 6451
les with children in which both parents work, 428 indicated that they would choose to have one
home if money was not a factor. does this data provide sufficient evidence to conclude that the
in question is less than 70%? you may not use 1-propz test on this problem.
parents work would choose to h
parent stay home if money was not a face
true proportion in question is less than 7
78
a. what is the population of interest?
married couples wl duldren
45
12
b. what is the parameter of interest? define it in words.
-0.022
te
state the null and alternative hypotheses using proper notation and give the level of significance.
h: 020.7 m p=0.7
-0.05
compute the test statistic and the p-value. provide a suitable sketch for the p-value. show all your work
clearly and write the final answer in the appropriate space. round to 6 decimal places.
test statistic: “ 2,0192
p-value - 0021733 |