In a simple random sample,320 stay-at-home mothers are interviewed.The questions are all about their hobbies outside of raising their children.The number of mothers in the sample who enjoy scrapbooking in their spare time is 223.What are the odds that a stay-at-home mother enjoys scrapbooking?
A)0.303
B)0.435
C)0.697
D)2.3

Question

Quizplus · Accepted Answer

The odds are calculated as the ratio of the number of mothers who enjoy scrapbooking to those who do not. There are 223 mothers who enjoy scrapbooking and 97 who do not (320 - 223 = 97). The odds are 223/97, which simplifies to approximately 2.3.

In a Simple Random Sample,320 Stay-At-Home Mothers Are Interviewed