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Question

A frequency distribution for the number of Nobel prize winners by the country for the years 1901-2001 is given below:

CountryWinners
United States261
United Kingdom79
Germany61
France28
Soviet Union11
Japan7
Other countries57

Suppose that a Nobel Prize recipient during the period 1901-2001 is selected at random.

Find the probability that Nobel prize winner is from

a) Soviet Union

b) Either France or Germany

c) Any country other than the United States


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Solution

Finding the required probability:

The total number of Nobel Prize recipients are,

=261+79+61+28+11+7+57=504

The probability that the recipient is from the Soviet Union,

=FavourableoutcomesTotalnumberofoutcomes=NumberofrecipientsfromSovietUnionTotalnumberofrecipients=11504

The probability that the recipient is from either France or Germany,

=FavourableoutcomesTotalnumberofoutcomes=NumberofrecipientsfromGermanyandFranceTotalnumberofrecipients=61+28504=89504

The probability that the recipient is from any country other than the US states,

=FavourableoutcomesTotalnumberofoutcomes=NumberofrecipientsfromallstatesotherthanUnitedStatesTotalnumberofrecipients=504-261504=243504

Hence, the correct answers are a) 11504b) 89504 c) 243504


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