+0.75
The relationship is considered strong after 0.7
Life expectancy for smokers is at least 10 years shorter than that of non-smokers. Quitting smoking before the age of 40 reduces the risk of dying from smoking-related disease by about 90%.
Answer: B) The width of the interval based on 100 men would be about three times the width of the interval based on 900 men.
Explanation:
Based on the information given, if there's no change in the sample proportion, the option that best describes the anticipated effect on the width of the confidence interval assuming the magazine surveyed a random sample of 100 men who practice yoga, rather than 900 men will be option B "The width of the interval based on 100 men would be about three times the width of the interval based on 900 men.
Therefore, the correct option is B.
