In a certain hospital, the mean birth rate of a week was 35. If the mean birth rate from Monday to Thursday was 32 and that of Thursday to Sunday was 36, find the number of births on Thursday.
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Answer:
=Mean of birth rate in a week= 35
=No. of days in a week= 7
=Sum of the observation=35x7
= 245
CASE 1 -
=Mean of birth rate from Monday to Thursday = 32
=No. of days from Monday to Thursday=4
=Sum of the observation=32x4
=128
CASE 2
=Mean of birth rate from Thursday to Sunday=36
=No. of days from Thursday to Sunday=4
=Sum of the observation=36x4
=144
Main Answer:
=(144+128)-245
=272-245
=27
Answer:27
Step-by-step explanation:
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