Question: Android Users iPhone Users Total Ages 18 - 30 405 652 1058 Ages 31 - 40 687 538 1225 Ages 41 - 50 1068 391

Android Users iPhone Users Total

Ages 18 - 30 405 652 1058

Ages 31 - 40 687 538 1225

Ages 41 - 50 1068 391 1459

Total 2160 1582 3742

What is the probability that someone chosen at random was aged 41 - 50?

What is the probability that someone chosen at random was an Android user or aged 41 - 50?

What is the probability of someone being aged 41 - 50 and an Android user?

Given a random person was aged 18 - 30, what is the probability that they were an iPhone user?

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