2000 plants each, were planted in 500 schools during the grow trees campaign. After 3 months a number of plants that survived were recorded as follows.
Number of plants survived No.of Schools
Less than 500 50
500-700 200
701-1200 100
1201 -1500 100
More than 1500 50
Total number of schools 500
When a school is selected at random what is the probability that
(i) more than 700 plants survived?
(ii) less than 1201 plants survived in the school.
(iii) 701 to 1500 plants survived in the school.
Answers
Answered by
12
Answer:
the condition that distinguishes animals and plants from inorganic matter, including the capacity for growth, reproduction, functional activity, and continual change preceding death.
Answered by
7
Answer:
power consumed by one device=250watt
power consumed by five devices=250×5 =1250 watt
time taken =10 hours
energy=power×time
energy consumed =1250×10
=12500J
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