In a sample of 200 men, 130 said they wore seatbelts. in a sample of 300 women, 140 said they wore seatbelts. find a 95% confidence interval for the difference in proportion of men and women who wear seatbelts. g

(0.093,0.267)

Step-by-step explanation:

The confidence interval for the difference in proportion is given by :-

Given : ;  

Proportion of men said they wore seatbelts =

Proportion of women said they wore seatbelts =

Significance level :

Critical value :

Now, the 95% confidence interval for the difference in proportion of men and women who wear seatbelts will be :-

Hence, the 95% confidence interval for the difference in proportion of men and women who wear seatbelts = (0.093,0.267)

b

step-by-step explanation: