It has to be the first one
Combine like terms.
6A*7A = 42A
3B*7B = 21B
Now we have our most simple expression:-
21B*42A
Answer: 0.9192433
Step-by-step explanation:
Given : A nationwide study of American homeowners revealed that 65% have one or more lawn mowers.
i.e. Population proportion :
A lawn equipment manufacturer, located in Omaha, feels the estimate is too low for households in Omaha.
Then, his hypothesis will be :-
Since, the alternative hypothesis is left tailed , so the test is a left-tailed test.
Sample size : n= 497
The sample proportion of people ad one or more lawn mowers=
Test statistic for proportion :-
i.e.
Now, by using the standard normal table for z , we have
P-value (left tailed) =