Arandom sample of 700 home owners in a particular city found 112 home owners who had a swimming pool in their backyard. find a 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard. express your results to the nearest hundredth of a percent.

Step-by-step explanation:

Given : A random sample of 700 home owners in a particular city found 112 home owners who had a swimming pool in their backyard.

i.e. n= 700 and x= 112

Sample proportion :

z-value for 95% confidence interval :

Now, the 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard will be :-

Hence, 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard :

the best buy, is the 4- kilogram bag of lollipops for $18.40.

step-by-step explanation:

i found my answer by dividing the cost of each bag by their respective weights.

14.88 divided by 2 = 7.44

17.29 divided by 3 = 5.77

18.4 divided by 4 = 4.6

24.4 divided by 5 = 4.88

by this, i found that the 4 kilo bag is the best buy.

180

step-by-step explanation: