In a certain hospital, the mean birth rate of a week was 35. If the mean birth rate fom monday to thursday was 32 and that to of thursday to sunday was 36, find the number of births on thursday.
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Answered by
343
Answer:27
Step-by-step explanation:
=Mean of birth rate in a week= 35
=No. of days in a week= 7
=Sum of the observation=35×7
=245
CASE 1 -
=Mean of birth rate from Monday to Thursday = 32
=No. of days from Monday to Thursday=4
=Sum of the observation=32×4
=128
CASE 2 -
=Mean of birth rate from Thursday to Sunday=36
=No. of days from Thursday to Sunday=4
=Sum of the observation=36×4
=144
Main Answer:
=(144+128)-245
=272-245
=27
Answer:27
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40
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