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The probabilites that a student will r...

The probabilites that a student will receive an A,B ,C or D grade are 0.4 , 0.3 ,0.2 and 0.1 respectively . Find the probabilty that a stuedent will recive
at most a C grade .

A

0.21

B

0.3

C

0.7

D

none of these

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The correct Answer is:
C
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QUANTUM CAT-PROBABILITY-QUESTION BANK
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