Question

In a certain hospital the mean birth rate of week was 35If the mean birth rate from monday to Thursday was 32 and that of Thursday to Sunday was 36 find the number of births on Tuesday​

Answer 1

Answer:

mean of birth rate of week =35

sum = 35 x 7= 245

mean of birth rate from Monday to Thursday=32

sum = 32 x 4 = 128

mean of birth rate from Thursday to Sunday=36

sum= 36 x 4 = 144

since Thursday is repeated twice

so the number of births =128+144-245 = 27

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