Am I Supposed To Assume This Is Conditional Probability

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Homework #3, Ch. 6 – Statistics 213, section 1, Spring 2020 | WebAssign
CUNY, Hunter College – CHEM 104 – Spring20 – KOBKO: Topic 6 Extra Credit
-/4 points
PODSTAT5 6.E.031.
My Notes
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The article quot;Chances Are You Know Someone with a Tattoo, and He’s Not a Sailorquot; included results from a survey of adults aged 18 to 50. The accompanying data are consistent with summary values
given in the article.
At Least One Tattoo No Tattoo
Age 18-29
Age 30-50
Assuming these data are representative of adult Americans and that an adult American is selected at random, use the given information to estimate the following probabilities.
a) P(tattoo)
(b) P(tattoo | age 18-29)
(c) P(tattoo | age 30-50)
(d) P(age 18-29 | tattoo)
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-/11 points V
PODSTAT5 6.E.032.
My Notes
The accompanying data are from an article. Each of 312 people who purchased a Honda Civic was classified according to gender and whether the car purchased had a hybrid engine or not.
Not Hybrid
Suppose one of these 312 individuals is to be selected at random.
MacBook ProStatistics and Probability