SOLUTION: In a study of 420,095 cell phone users in Denmark, it was found 135 developed cancer of the brain or nervous system. Estimate the probability that a randomly selected cell phone us

Question 947423: In a study of 420,095 cell phone users in Denmark, it was found 135 developed cancer of the brain or nervous system. Estimate the probability that a randomly selected cell phone user will develop such a cancer.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
In a study of 420,095 cell phone users in Denmark, it was found 135 developed cancer of the brain or nervous system. Estimate the probability that a randomly selected cell phone user will develop such a cancer.
------
Ans: 135/420,095 = 0.000321...
Cheers,
Stan H.
------------------
RELATED QUESTIONS
A study of 420,065 cell phone users found that 136 of them developed cancer of the brain... (answered by Boreal)

A study of 420,098 cell phone users found that 139 of them developed cancer of the brain... (answered by Boreal)

A study of 420,095 Danish cell phone users found that 135 of them developed cancer of the (answered by stanbon)

A study of 420,100 cell phone users found that 134 of them developed cancer of the brain... (answered by Boreal)

In a study of 420,113 cell phone users, 136 subjects developed cancer of the brain or... (answered by Theo)

In a study of 420,009 cell phone users, 157 subjects developed brain cancer. Test... (answered by Boreal)

a study was conducted in oder to determine if any link existed between cellular phone... (answered by stanbon)

in 2001, there was an estimated 900 million cell phone users and 600 million PC users in... (answered by Earlsdon)

"A random sample of 80 cell phones was inspected in a cell phone factory. It was found... (answered by stanbon)