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Mathematics, 14.02.2020 18:26 queenjade2614
The summer monsoon brings 80% of India's rainfall and is essential for the country's agriculture.
Records going back more than a century show that the amount of monsoon rainfall varies from year to year according to a distribution that is approximately Normal with mean 852 millimeters (mm) and standard deviation 82 mm.
Use the 68-95-99.7 rule to answer the following questions.
Step 1:
Between what values do the monsoon rains fall in 95% of all years?
Between 770 and 934 mm.
Between 606 and 1098 mm.
Between 164 and 1540 mm.
Between 688 and 1016 mm.
Step 2:
How small are the monsoon rains in the driest 2.5% of all years?
Less than 688 mm.
Less than 770 mm.
Less than 606 mm.
Less than 21.3 mm.
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The summer monsoon brings 80% of India's rainfall and is essential for the country's agriculture.
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