SOLUTION: In a poll conducted in 2007, 2000 adults ages 18 and up were asked how frequently they are in touch with their parents by phone. The results of the poll: monthly 11%, weekly 47%

Question 617110: In a poll conducted in 2007, 2000 adults ages 18 and up were asked how frequently they are in touch with their parents by phone. The results of the poll:
monthly 11%, weekly 47%, daily 32%, don't know 2%, less 8%.
If a person who participated in the poll is selected at random, what is the probability that the person said he or she kept in touch with their parents.
a. weekly?
b. At least once a week?
*Any help would be greatly appreciated.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
In a poll conducted in 2007, 2000 adults ages 18 and up were asked how frequently they are in touch with their parents by phone. The results of the poll:
monthly 11%, weekly 47%, daily 32%, don't know 2%, less 8%.
If a person who participated in the poll is selected at random, what is the probability that the person said he or she kept in touch with their parents.
a. weekly?::: 47%
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b. At least once a week?
weekly = 14%
daily = 32%
Total = 46%
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Cheers,
Stan H.

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