Section 8(a) Can smoking negatively affect one's ability to become pregnant A study collected data on 678 women who had gone off birth control with the intention of becoming pregnant Smokers were defined as those who smoked at least one cigarette a day prior to becoming pregnant The results of the study are summarised in the table below Smoker Non smoker Total Pregnant 28 204 232 Not pregnant 100 346 446 Total 128 550 678 Calculate the following proportions to two decimal places (2dp), not as a percentage What proportion of women were categorised as non smokers What proportion of women were non smokers and pregnant What proportion of the women that were pregnant, were also smokers What proportion of the women were non smokers given they were pregnant

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Question: Section 8(a) Can smoking negatively affect one's ability to become pregnant? A study collected data on 678 women who had gone off birth control with

Section 8(a)

Can smoking negatively affect one's ability to become pregnant? A study collected data on 678 women who had gone off birth control with the intention of becoming pregnant. Smokers were defined as those who smoked at least one cigarette a day prior to becoming pregnant. The results of the study are summarised in the table below.

	Smoker	Non-smoker	Total
Pregnant	28	204	232
Not pregnant	100	346	446
Total	128	550	678

Calculate the following proportions to two decimal places (2dp), not as a percentage.

What proportion of women were categorised as non-smokers?

What proportion of women were non-smokers and pregnant?

What proportion of the women that were pregnant, were also smokers?

What proportion of the women were non-smokers given they were pregnant?

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