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.
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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
240
260
Age 30-50
440
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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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.
Hybrid
Not Hybrid
Male
Female
Suppose one of these 312 individuals is to be selected at random.
MacBook ProStatistics and Probability